There is a population of 100 bacteria in a colony. If the number of bacteria doubles every 42 hours, what will the population be 84 hours from now?

Convert 8.2 cm to m.

What is the absolute value of 9.8 and - 10/3

Miguel's steps in evaluating an expression are given below. 32 : 2 (23 - 4) Step 1: = 32 : 2 (8 - 4) Step 2: = 32 : 2 (4) Step 3: = 32 : 8 Step 4: = 4 What, if any, was Miguel's mistake?

A round barbecue pit is 2 meters in diameter. What is the distance around the barbecue pit? A. 3.14 meters B. 12. 56 meters C. 6.28 meters D. 18.84 meters

A ball is dropped from a height of 5ft and bounces to 60% of I? ts previous height in each subsequent bounce

A cafeteria charges a fixed price per ounce for the salad bar. A sandwich costs $3.10, and a drink costs $1.75. If a 7-ounce salad and a drink cost the same as a 4-ounce salad and a sand which, how much does the salad cost per ounce?

What do is 4t - 3s2 + for t = - 2 and s = - 3

Use substitution to solve the linear system of equations. y = - 3x + 1 y = 2x - 4

Brian paid $28 for 13 gallons of gasoline. To the nearest cent, how much did one gallon of gasoline cost?

Suppose that the water level of a river is 34 feet and that it is receding at a rate of 0.5 foot per day. Write an equation for the water level, w, after d days. In how many days will the water level be 26 feet?