How much of a radioactive substance must be presented to decay to 40 grams in 9 years if the half-life of the substance is 4.6 years?

Liam's parents are driving three times as fast as liam is biking, but they left later than he did. if his parents caught up with him two hours after he left, how much later than liam did they leave?

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

5. (03.02)if g(x) = x2 + 3, find g(4). (2 points)1619811