Write into an algebraic expression. Double the sum of 2 and x increased by one-half x squared.

Find the mean of these five daily temperatures: - 4°, - 6°, 2°, - 5°, 3°.

A girl is half as old as her sister and is also two years younger than her brother. If the sum of the three children's ages is $34$ years, what is the product of their ages?

Use a graphing calculator to solve the system of linear equations. 2.1x+4.2y=14.7 - 5.7x-1.9y=-11.4

The town Lantana needs 14,000 dollars for a new playground. Lantana Elementary School raised 5,358 dollars, Lantana Middle School raised 2,834 dollars and Lantana High School raised 4,132 dollars.

Find the output y when the input, x, is 2

What is 2/15 simplified into a correct fraction

A hang glider begins his trip at 400 feet above sea level. H e decends at a rate of 40 feet per minute minute Write an equation in slope-intercept form for the change in elevation.

A triangle is cut from a piece of fabric. The triangle has a height of 8 inches in an area of 120 in.². What is the length of the base of the triangle A triangle is cut from a piece of fabric.

A quiche with a diameter of 12 inches can feed 6 people. can a quiche with a diameter of 10 inches feed 4 people, assuming the same serving size explain your thinking

A fraction with a numeratortor that is greater than or equal to the denomitatator is an?