What is the number in the blank? (24)(?)= -120 * and also 2 more questions
What equation and answer best represents the total change in height ?
1 point
4 - 1.6 = 2.5 centimeters
-1.6 ÷ 4 = -0.4 centimeters
1.6(4) = 6.4 centimeters
-1.6 ÷ 4 = 4 centimeters

and another one
Grandpa Ernie is shrinking! Over the past 4 years, his height decreased by a total of 1.6 centimeters. His height decreased by the same amount each year. Which is NOT a key a phrase in this problem?
1 point
shrinking
4 years
decreased by a total of 1.6 centimeters
same amount each year

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days

Solve the problem by using a venn diagram a group of students were surveyed about their taste in music. they were asked how they like three types of music: rock, country western and jazz. the results are summarized below: no one dislikes all three types of music. six like all three types of music. eleven don’t like country western. sixteen like jazz. three like country western and jazz, but not rock. six don’t like rock. eight like rock and country western. seven don’t like jazz. how many students were surveyed?

Stu and ambrose are working together on a study of whether diet is related to students' mental health. first, they randomly select 10 students from the student center and 10 students from the office of counseling and psychological services. then, they ask students to rate their diet in terms of healthiness on a scale of 1-100 before completing a 20-item mental health survey. a) name one of the constructs being studied b) how was the construct you named above operationally defined in this experiment? e) was the variable you described above their independent variable, their dependent variable, or a controlled variable? d) what is a confounding variable? what is a potential confound in this study?