72 is equal to 80% of a number n. Write and solve and equation to find n. Write the percent as a decimal.

Y is directly proportional to x, and y=10 when x=15. Write a direct proportion equation that relates x and y

How hard is calculus compared to algebra 2?

Yoshi is riding in a bike a thon to raise money for his favorite charity. So far he's completed 1/10 of the bike a thon. How many miles has yoshi biked?

Express 100 with five 1s. Express 100 three ways with five 5s

What is the supplement of 154°?

The government's claims that students earn an average of $4,500 during their summer break from studies. A random sample of students gave had a sample average of $3,975 and a 95% confidence interval was found to be $3,525 < µ < $4,425.

F (x) = x^2-6x-16 what is the y-intercept

Your job pays $8 per hour. (a) Write an algebraic expression for your pay in dollars for working h hours. (b) What is your pay if you work 36 hours?

Mike is playing a game using a number cube and a quarter. He tosses both at the same time. What are all the possible outcomes during one turn? How many outcomes are in the sample space?

Round 630 to the nearest ten