Solution to 2cos2x - cos x - 1 = 0

Determine x when y=144?

Name the plane shape that has infinite numbers of lines of symmetry

Olive buys indie music online. Each song costs $2 plus a $5 fee for using the artist's site. She has no more than $40 to spend. Which inequality shows the number of songs, s, Olive can purchase.

A hose fills a hot tub at a rate of 3.15 gallons per minute. How many hours will it take to fill a 322 -gallon hot tub? It will take nothing hours to fill the hot tub. (Simplify your answer. Round to two decimal places as needed.)

How is translating a figure on x-y coordinate axes like adding and subtracting using a number line?

If a road sign is red then it is a stop sign"" what is the converse for this statement

A single 6-sided die is rolled. What is the probability of rolling a number that is not 3? A) 1 6 B) 2 6 C) 3 6 D) 5 6

Marry had 21 3 4 grams of salt. She used 7 1 4 grams to make spinach omelets and 4 7 8 grams to make mushroom omelets. About how much salt does Marry have left? Choose the best estimate.

In the diagram of parallelogram HIJK below, the diagonals HJ and IK are perpendicular, as shown. If HJ is 10 inches long and IK is 24 inches long, then why must HK be 13 inches long?

9/2. Write the fraction as a mixed number 10/7 write the fraction as a mixed number