If y varies jointly with x and z, and y = 200 when x = 8 and z = 10, what is x when y = 165 and z = 11?

What is the value of k?

The quarterback threw the football 36 1/2 yards over 4 plays how many yards did the quarterback average per play?

A piece of wire 40 cm long is to be cut into two pieces. One piece will be bent to form a circle; the other will be bent to form a square.

A bicycle is on sale for 2/3 of its original price If the original price is $354, what is the sale price?

A worm travels 1,250 millimeters. How many meters did the worm travel? step by step

A parabola has a focus of F (8.5,-4) and a directrix of x=9.5. What is the equation of the parabola? A) 1/2 y² + 4y - 1 = x B) - 1/2y² - 4y + 1 = x C) 1/2y² - 4y+1=x D) - 1/2y² + 4y-1=x

The Zigzag River is 114 miles longer than twice the Petite River. If the Petite River is 46 miles long, how long is the Zigzag River?

Molly can either take her lunch or buy it at school. It cost $1.95 to buy lunch. If she wants to spend no more than $30 each month, how many lunches can she buy at most?

Ashley purchased a prepaid phone card for $ 25. Long distance calls cost 17 cents a minute using this card. Ashley used her card only once to make a long distance call. If the remaining credit on her card is $ 21.

If joe drives 30 mph for 0.5 hours and then 80 mph for 2 hrs, then how far did he drive?

The rectangle below has an area of 24x^3 square meters and a length of 4x meters. What is the width of the rectangle?