What would be a reasonable estimate for a height of a skyscraper

What is the product? (2x-1) (x+4) O 2x2-4 O 2x2+4 O 2x2 + 7x-4 O 2x2-7x-4

Find the x intercept and y intercept of the following equations, and sketch the graphs. 1. y=2x+3 2. y = (1/2) x - 4 3. 4x-2y=5

Nancy builds a hollow wooden ramp for an obstacle course as part of an athletic event. The ramp and the net of the ramp are shown below. Units are in feet. The surface area of the ramp is square feet.

Jarek buys jerseys for his team online. He pays a constant shipping price plus a special rate for each jersey. During the spring season Jarek paid $151 for 24 jerseys. In the summer season he paid $79 for 12 jerseys.

A bus and a car leave the same place and traveled in opposite directions. If the bus is traveling at 50 mph and the car is traveling at 55 mph, in how many hours will they be 210 miles apart?

What are the coordinates of the focus and the equation of the directrix? A. focus:; [-1/4, 0]; directrix: x = 1/4 B. focus:; [1/4, 0]; directrix: x = - 1/4 C. focus: (-4,0); directrix: x = 4 D. focus: (4,0); directrix: x = - 4

What's the circumference and area of a circle with a radius of 9 km

Is y=5-2x linear or nonlinear?

Saul got 19 out of 25 on the test. Cindy got 79% on a same test which student got the higher mark?

A long-stay parking lot charges an intimo fee of $10, plus $2 for each day the car is parked. How many days must the car be parked for the average cost per day to fall to $4