What number must be added to the expression below to complete the square? x2+7x

Regina recently inherited an oil painting that was purchased by her great-grandfather for $100 in 1938. In 2013 she took the painting to an appraiser who estimated its value at $300,000.

Walden's family is shopping for a reclining chair. The chair the family decided on has a retail price of $800 plus 5% sales tax at four stores. Each store is offering a different promotion. Which store has the best deal? store A.

Which is greater three hours or 300 minutes

If a unit price label has a unit price of 15.5 cents per ounce how much is the total price for 24 ounce package?

A, B & C form the vertices of a triangle, where ∠CAB = 90°. AB = 10.3 m and AC = 5.8m. Evaluate ∠ ACB, giving your answer rounded to 3 SF.

A bag contains only 3 blue disks, 3 green disks, and 4 orange disks. If 3 disks are selected at random from the bag, what is the probability that 1 of the disks will be green and 2 of the disks will be orangeA) 1/30 B) 1/20 C) 3/40 D) 1/10 E) 3/20

Factor completely x^2-10x+25

Which describes the pedestrian crossing sign shown? The sign is a trapezoid because exactly one pair of opposite sides is parallel.

Which is greater 5 pounds or 85 ounces

2x+5y=20 in slope intercept form