8. The sum of twice an unknown, x, times itself added to seven times that unknown is - 3. Which

of the following could be the value of the unknown x?

(A) - 2

(B) 2

(C) - 3

(D) 3 (E)

What is a markup A a percent of increase B the retail price of an item C a discount on an original price

X-2/y=2 solve for y. Can you show how u do it?

Kelsey measured 1/8 cup of onsona, 3/7 of celery, and 5/9 cup of catrots How many cups of vegetables did Kelsey measure out for her venttable soup?

Solve for y: - 2x-y=-3

How do you factor 30x^4+183x^2+72 completely

The sum of two polynomials is 10a2b2 - 8a2b 6ab2 - 4ab 2. if one addend is - 5a2b2 12a2b - 5, what is the other addend?

What is 4/5 + 3/10 equal

The sum of the squares of two consecutive positive integers is sixty-one. Find the two integers

A store had 800 T-shirts in stock for a weekend sale. T-shirts are sold in packs of 4 each. During the sale, 20 packs of T-shirts were sold on Saturday, and 70 more packs were sold on Sunday.

What is the slope for the following equation 9x + 2y = 9