Find the value for X.
(5x + 4
13x - 7
77°
B

What is the common difference in the following arithmetic sequence? 7,3,-1,-5

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

Select the correct answer. what is the exact value of sin (157.5°)? a. 'sqrt(2 - sqrt(2))/2 b. *"-"'sqrt(2 + sqrt(2))/29 c.'sqrt(2 + sqrt(2))/4" d. "-"sqrt(2 + sqrt(2))/4)