A college student borrowed $389 to buy books for his

classes. At the end of the year, he paid back the principal

and $6.85 in simple interest. What was his interest rate?

The function t (x) = 3x + 5 determines how many cans of corn kernels a food truck needs to stock, where x is the number of shifts the crew is going to work in the truck. The crew uses c (t (x)) to find the amount of money to spend on corn.

It costs 3.24 for a pack of 12 pens. Find the unit price in dollars per pen. Round your answer to the nearest cent

What does y = 2x + 4

F (x) = 5x-2, find f (-3/5) what is the output of the given input

If a baseball player hits a baseball from 4 feet off the ground with an initial velocity of 64 feet per second, how long will it take the baseball to hit the ground? Use the equation h = - 16t2 + 64t + 4.

How many grains of sand in a 10kg bag if one grain weighs 10 to the negative third gram

What is the reference angle of 135

What is 2 (5-n) in a word phrase

Patricia paid $584 for 8 nights at a hotel. Find the unit rate

A retaller paid $33 for a lamp. What price should she sell the lamp for if she wants to make a 35% profit?