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

Find the product. Select the answer that is in simplest form. 2/3 * 4 / 5 = ?

when 5 is subtracted from a certain number and the result divided by 6 the answer is equal to 4. find the number

Write a real world problem in which the probability of a compound event occuring is 0.25.

What are two ways to write 9 (46) ?

Simplify - 3x+1y+8x-8y

A group of seven students were asked how much tv do you watch a day Here are their response 12, 5, 5, 4, 10, 15, 16 Find the mean number of hours for these students. If necessary, round your answer to the nearest tenth.

Determine whether the given description corresponds to an observational study or experiment In a study of 418 students with a particular disease, the subjects were monitored with an EEG while asleep Does the given description correspond to an

Ashley is preparing for a horse riding competition. She has trained her horse for 4 hours and has completed 152 rounds. At what rate has Ashley ridden her horse in rounds per hour

3 (4y+5) using distributive property

Combine like terms to create an equivalent expression. Make sure to simplify coefficients and constants as well. 6 (1/2w - 3/4)