Emily is researching the cost of rent for two-bedroom apartments along a stretch of highway. From a starting point, she found the rent of an apartment near each mile marker along the highway. Her findings are shown in the table below. Mile Marker Monthly Apartment Rent 3 $950 4 $1,200 5 $1,400 8 $1,550 10 $1,300 The curve of best fit for the data is y = -35x2 + 505x − 250, where x is the mile marker and y is the monthly rent. The monthly rent for an apartment near the 6-mile marker can be predicted to be about $ .

State whether weight is a function of height for the six students and explain. a. yes, height is a function of weight because two students weigh 165 pounds but have different heights. b. no, height is not a function of weight because two students weigh 165 pounds but have different heights. c. yes, weight is a function of height because for each value of height there is one corresponding value of weight. d. no, weight is not a function of height because there is not enough data to determine a function.

Need on this geometry question. explain how you did it.

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.