Two angles of a triangle measure 42° and 84°. find the measure of the third angle, in degrees. (enter an exact number.)

1. Solve the following system using substitution: y = 4x - 7 and y = 2x + 9 (25,8) (8,25) (0,8) 2. Solve each system using elimination: x + y = 10 and - x - 2y = - 14 (-4, 6) (6, 4) (-14, 10)

What is the mixed number for 45/5

Distributive Property to simplify the expression 7 (1-8n)

Error is expressed as a plus or minus percentage for example a properly drawn sample of 1000 individuals will have a sampling error of rougy 3 percent

What is the mechanical advantage of a ramp that is 5 m long and 1.5 m high

Simplify the expression to find the cost when the $5 coupon is applied first. Enter your response in the box. Keep two places after the decimal. 0.9∙ (17.52-5) 0.9• (17.

A circualr plate haa circumference 22.6 inches. What is the area if this plate? use 3.14

Patrick bought a pair of jeans which originally cost $88 at a 25% discount. How much was marked off the original price?

jeff can paint 28aquare feet every 15 minutes. Angela can paint 115 aquare feet every hours. Who can paint faster, and by how many square feet per hour?

Statements that can be proven by a logical sequence of statements is called a (n) A) theorem B) postulate C) axiom D) definition