Simplify the expression (5^-2 * 4^-4) ^-2 so there is only one positive power for each base

Ms. Velez will use x gray bricks and y red bricks to build a wall around her garden. Gray bricks cost $0.45 each and red bricks cost $0.58 each.

Find the difference. (4ab+a+5) - (8ab+3)

If r = - square root 2 and a5 = 32 square root 2 what is the first term of the sequence?

4x (3x - 7) - 19x2 Simplify the expression above?

Ricky needs 3 1/4 cups of sugar to make muffins. He already has 2 1/2

If the village (which includes people and livestock) requires a total of 430 liters of water each day, approximately how long (in days) will one tank provide an adequate supply for the village? give your answer to the nearest 10th of a day.

In the currency pair USD/CAN, CAN is the

Oliva has a job as a writer, she writes 2 new sheets of magazines for her job in 3 hours. What is the rate per hour at she writes the sheets of magazines?

What is the sum of x2+4x-2 and x2+5x+6

Which represents where f (x) = g (x) ? f (2) = g (2) and f (0) = g (0) f (2) = g (0) and f (0) = g (4) f (2) = g (0) and f (4) = g (2) f (2) = g (4) and f (1) = g (1)