The total cost C (in dollars) to participate in a ski club is given by the literal equation C=85x+60, where x is the number of ski trips you take.

a. Solve the equation for x.

b. How many ski trips do you take if you spend a total of $315? $485?

4) The formula for the area of a circle is A = ttr where A is the area and r is the radius. Estimate the area of a circle where it = 3.142 and r = 8.6 cm.

What is (1.6x + 7.3) + (-0.6x + 2) - (7.8 - 3.4x), simplified? (1.6x + 7.3) + (-0.6x + 2) - (7.8 - 3.4x) 1.6x + 7.3 - 0.6x + 2 - 7.8 + 3.4x 1.6x - 0.6x + 3.4x + 7.3 + 2 - 7.8

On the first day it was posted online, a music video got 1750 views. The number of views that the video got each day increased by 20% per day. How many total views did the video get over the course of the first 5 days, to the nearest whole number?

In one week, 103 students were absent, 17 fewer students were absent than the week before. howe many students were absent in those two weeks?

Which ordered pair represents the solution to the system of equations? {-5x+7y=-196x-2y=10

Find the value of each of the variables. A. x=12, y=15, z=20 B. x=9, y=15, z=20 C. x=9, y=18, z=20 D. x=12, y=18, z=20

The price of a cup of coffee was $2.20 yesterday. today the price Rose to $2.45. find the percentage increase?

Isabella observed that everyone on her soccer team is older than 13. She wrote the inequality a > 13 to represent the possible ages of her teammates.

Landon puts 30.5% of his paycheck in his savings account. What decimal is equivalent to 30.5%

What is 275,609 to the nearest thousand