Evaluate the following.

let me know if its "Not a real number"

-√81

√-16

A grocery store bought milk for $2.20 per half gallon and stored it in two refrigerators. During the night, one refrigerator malfunctioned and ruined 13half gallons. If the remaining milk is sold for $4.

What is 34 ten thousands, 85 hundreds

At a particular restaurant, each onion ring has 70 calories and each slider has 200 calories. A combination meal with onion rings and sliders is shown to have 1020 total calories and twice as many onion rings as there are sliders.

X over 2 equals 15 what's the value of x

What does this mean 7 4 8 9 12 45

How many solutions are there to the following system of equations? 4x - 8y = 0 -3x + 8y = - 7

A cube tank has a side length of 12 inches. what is the surface area of the fish tank, including the base lid?

What is 4x divied by 13

1.7 yard long and 14/5 yard long which one longer

Sandy is Working with a carpenter to frame a house. They are using 8 foot long boards, but each board must be cut to be 7 feet, 10 3/4 inches long. How much is cut off each board? a. 3/4 b. 1 1/4 c. 1 3/4 d. 7