College prep semester exam practice

Alexis runs out of gas in Taft. She walks 12 mi west and then 5 mi south looking for a gas station. How far is she from?

John wants to buy a telephone that costs $332.99. If there was a 9% discount, how much will he pay for the phone?

Express 36 miles per hour in kilometers per hour if 1 mile = 1.6 kilometers.

The value of a computer after t year is expressed as V(t) = 1200(.85)^t. What is the value after 4 years?

Find which is the better buy (lower cost per ounce): 7 ounces for $2.10 or 13 ounces for $4.55?

Simplify: -3(4t+3) + 4(5t + 1)

Evaluate the expression using these. x = 3, y = -2

A circle with a r= 5 cm is placed inside a square with a L= of 10 cm, find the probabilty that a dart will land in the c