Find the half-life of an element which decays by 3.411% each day. Hint: use y = ab^t.

You estimate that you take 7500 steps in a day. You actually took 12,500 steps. what is the percent change from what you estimate vs. what you actually walked?

What is (0.5x + 15) + (8.2x - 16.6)

The inverse of g (x) is a function

Compute the average (mean) from the data shown. (round to the nearest whole number) {42, 30, 79, 99, 72, 24, 89, 91, 78, 69} A) 67 B) 68 C) 69 D) 70

What is the inverse of f (x) = √3x+4 - 1? (The - 1 is separate and not part of the square root) √3x+4

What would be the answer to t + 9 = 4

During a football game, a team lost 12 yards on the first play and then gained 5 yards on each of the next 3 plays.

Oranges were on sale 8 for $3. At that price how much would 3 dozen oranges cost.

A farmer has 100 m of fencing to enclose a rectangular pen. Which quadratic equation gives the area (A) of the pen, given its width (w) ? 1. A (w) = w2 - 50w 2. A (w) = w2 - 100w 3. A (w) = 50w - w2 4. A (w) = 100w - w2

Which expression is equivalent to cos120°? ° cos240° cos300° cos420°?