Mr. mole left his burrow and started digging his way down.

b(t) models mr. mole's depth relative to the ground (in meters) after t minutes.

how far below the ground is mr. mole after 5 minutes?

b(t) = -2.3t - 7

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27