Verify the identity of

sin (x+pi/2) = cos x

Dave uses 500 milliliters of juice for a punch recipe. He mixes it with 2 liters of ginger ale. How many milliliters of punch does he make?

2x+3=9 what is the answer

What is 12 1/2 as an improper fraction?

20 gallons is greater than or less than 75 quart

An empty tank is filled with water at a constant rate. The table shows w, the number of gallons of water in the tank after m minutes. Water in the Tank Number of I Number of Gal- Minutes, m.

The squirrel stored seven more than three times as many nuts as the chipmunk. The chipmunk stored x acorns. Write an expression that shows how many acorns the squirrel stored.

The same sequence may be defined in three ways: 1) f (x) = 6x + 5 for x = {1, 2, 3, ... }, 2) a1 = 11 and an + 1 = an + 6 for n = {1, 2, 3, ... } and 3) an = 11 + 6 (n - 1) for n = {1, 2, 3, ... }.

A cell phone plan has a monthly cost that is shown in the table below. What is the correct statement regarding the average rate of change during the 40-minute time of talk?

Jay simplified the expression 3 * (3+12:3) - 4. For his first step, he added 3+12 to get 15. What was Jay's error? Find the correct answer

The sum of two consecutive numbers is - 49 what are they