For what values (cases) of the variables the expression does not exist: a a 2x-4

Read the word problem. Cate has 10 dolls. Shelayna has 3 times as many dolls as Cate. How many more dolls does Shelayna have compared to Cate? What operations are needed to solve this word problem, and in what order should they be used?

What is the unit and standard form for 10 x 3 tens

Factor p 2 + 18p + 32.

Erica collected a total of $180 for her favorite charity over the first 3 months of the year. She collected the same amount in the first and second months. She collected three times the first month's amount in the third month.

Does the following series converge or diverge 7-21+63-189

A square has an area of 561.69m2. Work out the perimeter of the square.

Find the product of the functions: (fxg) (x). f (x) = 7x 8, g (x) = 5x 2

Hong drove 495 miles in 9 hours. At the same rate, how many miles would he drive in 7 hours?

What is the similarity between a parallelogram and a kite? Answer Both have all sides congruent. Both have at least one pair of opposite angles that are congruent Both have diagonals which bisect at right angles and are equal in length.

On a winter day in Alaska, the temperature at noon was - 0.6°C. From noon to 3:00, the temperature increased by 1.2°C. From 3:00 to 6:00, it dropped 0.4°C, and from 6:00 to 9:00, it decreased by 0.6°C.