Simplify the following expression by combining like terms: 8z2 - 3z - 5z2 - 4z

The coordinates of an ordered pair have opposite signs. In which quadrant (s) must the ordered pair lie? Explain.

A circus recently spent $1650 on new trapezes the trapezes cost $275 each write an equation that could be used to find the number of trapezes t that the circus bought

Building a is 262262 meters taller than building b. if the height of building a is subtracted from twice the height of building b, the result is 229229 meters. how tall is each skyscraper?

The equation h=-16t^2 + "120t" models the height h in feet of a toy rocket t seconds after it was launched into the air from your neighbors back yard at 120 feet per second. A. How long was the rocket in the air? B.

Perpendicular lines intersect to form what angle? A. 60° B. 90° C. 100° D. 180°

Kailey wants to buy 4 pencils and 3 notebooks. witch expression shows how to find the total cost of 4 pencils and 3 notebooks. a. 3 ($0.50) + 4 ($2.25) b. 4 ($0.50) - 3 ($2.25) c. 4 ($0.50) + 3 ($2.25) d. 4 ($0.50) X 3 ($2.25)

If 48 men have ration for 16 days how long will the food last if a reinforcement of 16 men arrived

Explain how you know wether to choose grams or kilograms when measuring mass. Name an object you would measure each unit.

16:07:48 marks: Question: 1/20 The graph of which equation would be a circle with a center at (2.3) and a radius of 7? A. (x + 2y = (y - 3) = 7 B. (x - 2) = (y + 3) = 7 C. (x - 2y + (y + 3) 2 = 49 D.

Samuel wants to estimate what 5843 x. 00243 is. What should his first step be?