Simplify.

4n + 12 + 7n

The length of the shadow of a building is 150 meters as shown below. What is the height of the building? A) 86 m B) 150 m C) 105 m D) 75 m

What would be the probability of an event occurring 50% of the time?

Three sevenths of a children's choir are boys. There are 12 boys in the choir. How many children in total are in the choir? Enter your answer in the box.

If f (x) = - x2 + 3x + 5 and g (x) = x2 + 2x, which graph shows the graph of (f + g) (x) ?

A freight carrier charges $0.57 for the first ounce plus an additional $0.32 for every ounce (or part of an ounce) over the first ounce. A company is shipping a package weighing 224 grams. a) What is the weight of the package in ounces? 7.90.

Which of these figures must be a rectangle? O A. A parallelogram with at least one right angle B. A parallelogram with four congruent sides C. A trapezoid with at least one right angle D. A trapezoid with two congruent sides SUF

Find the volume of a cone with a base radius of 5 yd and a height of 12 yd. Use the value 3.14 for it, and do not do any rounding. Be sure to include the correct unit in your answer. yd yd yd x 6 ? 5 yd Check Save

Divide 78 into 2 groups

Annette is taller than Heather but shorter than garo Tanya's height is between Garo and Annette's Karin would be shortest if it weren't for Alexa list the names in order from shortest to tallest

What is 0.26 written as a fraction in simplest form?