What number must be added to the expression below to complete the square?

x^2 - x

A. 1/2

B. - 1/4

C. - 1/2

D. 1/4

State weather the relationship between x and y in y=4x-5 is proportional or non proportional

Sophia pays a $19.99 membership fee for an online music store. If she also buys two songs from a new album at a price of $0.99 each, what is the total cost

Which discovery could provide evidence against the theory of evolution?

What is the simplified expression for the expression below? 4 (x + 8) + 5 (x - 3) a) 9x + 5 b) 9x + 11 c) 9x + 17 d) 9x + 47

Solve the equation 6x+3y=15for y what does y equal if x=2 if x=5

How many solutions does this system have? y = 5x + 6 y - 5x = 7 A. no solutions B. 1 solution C. 2 solutions D. infinitely many solutions

Computer screen is 13 inches long and 10 inches wide whats the area and perimeter of the computer screen?

Ed prepares 4 kilograms of dough every hour he works at the bakery. How much dough did Ed prepare if he worked for 9 hours?

A train travels a distance of 872 miles. Then it travels another 342 miles. The train then travels another 403 miles. How many more miles does the train travel on the first part of the trip than on the second and third trips combined?

Edward's recipe for salad calls for 3 3/4 cups of lettuce and 1/2 lb of tomatoes. Determine how many cups of lettuce Edward would need to mix with 1 lb of tomatoes. Show your work.