On his first 5 biology tests, Bob received the following scores: 72, 86, 92, 63, and 77. What test score must Bob earn on his sixth test so that his average (mean score) for all six tests will be 80?

Captain james offers a deep-sea fishing tour. he charges $2940 for a 14 hour trip. how much dose each hour of the tour cost?

If you had 26/12 dollars, how much money would that be in dollars and cents? (Rounded to the nearest penny)

A car has a 40km / 30 second, how much a car can drive in hour?

Simplify 5x2 (5x2 - 3x - 1). a. 25x4 - 15x3 - 5x2 b. 25 - 15x - 5x2 c. 10x4 - 15x3 - 5x2 d. 25x2 - 15x - 5

If a group of distinct objects can be arranged in 120 different ways, how many objects are there?

What units are used to measure both velocity and speed

What is 70℅ written as decimal

A concession stand charges $2.50 for a bag of popcorn. The stand has already sold 30 bags of popcorn. How many more bags x of popcorn must be sold to earn at least $110? Write your answer as an inequality.

the chef has 12 2/3 cups of flour. he uses 3 1/4 cups of flour to make come pies. how much flower does he have left?

Which factor 25^2+40x+16 and 25x^2-16 have in common