What is the period of the sinusoid given by y=-3cos (2pi/5 x) ?

Tabitha and her mother went to the pet store. Her mother told her she could either choose a cat, dog, or fish, and either get a toy for the pet or a book about the pet. What is the probability that she chooses a four-legged pet and a toy for it?

125% into a fraction

Among all pairs of numbers whose sum is 20 find a pair whose product is as large as possible. what is the maximum product?

What do you add to 5 1/7 to make 9

Which of the following rotations will result in a figure that is identical (in both shape and position) to the original? 60°-90°-30°-360°

To estimate the number of people in Springfield, population 10,000, who have a swimming pool in their backyard, 250 people were interviewed. Of those, 115 had a swimming pool.

Lee put $10,000 into a stock market index mutual fund that grew at an average of 7% per year for 10 years. About how much is in Lee's mutual fund account after 10 years? Ignore compounding.

How many, and what type of, solutions does 6x^2 - 2X + 7 = 0 have? 1 rational solution 2 no real solutions 2 rational solutions 2 irrational solutions

Alice worked for six hours and earned $29.88. How much did she make per hour? A) $4.30 B) $4.98 C) $5.15 D) $179.28

Which expression is equivalent to 4/5 X 1/3? 1. 4/3 X 5/1 2. 4/5 divided by 1/3 3. 4/5 divided by 3/1