Solve: 7+42*3^2-3a=14*3^-2a+7

1) a = - 3

2) a = 0

3) a = 3

4) no solution

Every Saturday, Heather goes mountain biking. It takes Heather 32 minutes to bike 6 miles. The distance is a function of the time. Which is a reasonable range in the context of the problem? 1. 0 ≤ f (t) ≤ 6 2. 0 ≤ f (t) ≤ 32 3. 6 ≤ f (t) ≤ 32 4.

Two cities are 240 km apart. A train covered this distance in 4 hours and then made the return trip at a speed of 40 km/h. How long was the return trip?

Write 0.00000414 in scientific notation. A) 4.14 x 10^-6 B) 4.14 x 10^-8 C) 4.14 x 10^-7 D) 4.14 x 10^-5

What is inverse of the function y = - 5x + 7?

What is - 3x - ( - 2 - 4x) if x equals 5

So 984 plus 8 - 9 equals?

Can the product of two irrational numbers be rational? Explain your answer and support with an example.

What is the domain of the given function? { (3, - 2), (6, 1), (-1, 4), (5, 9), (-4, 0) } x = - 4, - 1, 3, 5, 6 y = - 2, 0, 1, 4, 9 x = - 4, - 2, - 1, 0, 1, 3, 4, 5, 6, 9 y = - 4, - 2, - 1, 0, 1, 3, 4, 5, 6, 9

A landscaper wants to find the answer to the question "How much time do people in Raleigh, North Carolina, spend doing yard work in one week?" He asks the owners of all 120 houses in a Raleigh neighborhood.

In 2005, a social media website had 254,000 users. The number of users of the site increases by 12.5% each year. If t is the number of years after 2005.