If the number of bacteria in a colony doubles every 42 minutes and there is currently a population of 20 bacteria, what will the population be 84 minutes from now?

5 x 7 + 14 x / 7 - 35

Trina rolled a number cube three times determine the probability of rolling and even number on each roll

The ideal width of a certain conveyor belt for a manufacturing plant is 50 in. An actual conveyor belt can vary from the ideal by 7/32 in. Find the acceptable widths for this conveyor belt.

Find m such that x^2 + (mx+3) ^2-3=0 has equal roots.

Is (a+b) = (b+a) true for all rational number a and b? Explain.

you baby-sit for 7.50 per hour and get a 4 dollar tip. your earnings E are a function of the number of hours H you baby-sit. write an equation using function notation that will represent the situation.

Solve the following equation for x: 6 (4x+5) = 3 (x+8) + 3

Suppose you toss a quarter, a dime and a nickel. Find the sample for all the possible ways the three poins and (heads, tails)

Select the correct answer. Lisa creates a scatter plot of the number of minutes she runs on the treadmill and the calories she burns. About how many more calories does she burn for every additional 5 minutes on the treadmill? A. 10 B. 25 C. 50 D.

The model represents x2 - 9x + 14. Which is a factor of x2 - 9x + 14?