19. Evaluate sqr rt 7x (sqr rt x - 7 sqr rt 7) Show your work.

The total cost after tax to repair Deborah's computer is represented by, where h represents the number of hours it takes to repair Deborah's computer. What part of the expression represents the amount of tax Deborah has to pay? Explain.

Two minor league baseball players got a total of 336 hits. Washington had 8 more hits than Sanchez. Find the number of hits for each player.

An animal shelter has 64 dogs 18% are poodles what percent are the rest of the dogs?

A meal of a chicken sandwich and some pasta salad had 100 grams of carbohydrates the pasta salad had 10 grams more than twice the grams of carbohydrates in the chicken sandwich find the number of grams of carbohydrates for both.

an elementary school received a donation of 1000. the school has 4 kindergarten classes and 3 classes each in grade 1 through 6. can the money be divided equally among the classes? eplain

Plot the rational numbers - 12/5 and - 2.8 on the number line

Mike is installing weatherstripping around a window that measures 3.5 ft x 4.5 ft. How much weatherstripping will he need?

Which graph represents the function of f (x) 9x 2+9x-18/3x+6

if a object on the moon is 1/6 of the weight on earth if a moon rock is 20 1/2 on earth how much does it weigh on the moon

Five times a number k minus 9 is two thirds of a number j. solve for j