A+8+A=18

2A+3B=46

B+7+C=27

A+2B+3C=?

Which year comes midway between 1591 and 1951?

The base of a right pyramid is a regular hexagon with sides of length 12 m. The altitude is 6 m. Find the total surface area of the pyramid.

The radius of the circle is 3 millimeters. What is the circle's circumference? Use 3.14 for it -3 mm A 18.84 B 28.26 C 254.34 D 9.42

Grace starts with 100 milligrams of a radioactive substance. The amount of the substance decreases by each week for a number of weeks, w. She writes the expression 100 (-) w to find the amount of radioactive substance remaining after w weeks.

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Translate. "The quantity x minus 2y, plus 3" a. 3 (x - 2y) b. (x - 2y) + 3 c. 2y + 3 d. 2y - 3 e. 2 (y + 3)