A 40 gram sample of substance that's used for drug research has a k-value of 0.1455.

Find the substance's half-life, in days.

Round your answer to the nearest tenth.

a cyclist rides her bike at a speed of 9 kilometers what is the speed in meters per second? how many meters will the cyclist travel in 5 seconds?

What is the value of sin 15

Given: m∠1 = 62° Line l is parallel to line m Prove: m∠7 = 118°

Maria receives a commission of 11.5% for each pair of shoes she sells she earned $207 in commission last week what was the dollar amount of shoes she sells

Should a quadrilateral have at least one pair of parallel sides?

How do you find the rule to this sequence 1,2,3,5,8,13,21. Is it the Fibonacci sequence?

An after school dance program has a total of 27 students. Two thirds of the dance student are Girls. How Many girls are in the program? How many boys? what fraction of the class are boys?

Kate made a box to hold her jewelry collection. She used 42 inches of wood to build the sides of the box. If the box was 9 Inches wide, how long was the box

Of the 420 respondents in a Christmas tree market survey, 42% had no children at home and 58% had at least one child at home. The corresponding figures for the most recent census are 48% with no children and 52% with at least one child. 1.

1. Your new four wheeler cost you a total of 5,286.44. If the sales tax equaled 287.44 what was the rate of the sales tax? 2. You buy a used truck for 12,450.00. Assuming a 4 percent sales tax, what is the amount of sales tax?