A parabola has a vertex at (0,0). The focus of the parabola is located at (4,0). What is the equation of the directrix?

The larger of two numbers is 3 less than 2 the smaller their sum is 45

An energy bar company manufactures peanut butter and chocolate bars. Peanut butter bars cost 25¢ per lb. The chocolate bars cost 30¢ per lb. The company sold 260 lbs of bars for $71. How many of the bars sold were peanut butter?

If 4 pounds of sugar cost $2, the cost of 1 pound of sugar is $ and the cost of 10 pounds of sugar is $

A rule for how to find a ratio with a denominator of 1 without using a diagram

In what location would a car be 5 units up from - 4/-2

Tony wants to purchase a baseball glove for $14.96, a baseball bat for $19.87, and a baseball for $5.37. He figured out that he will need $40.20 to purchase the three items. Estimate the cost of the three items.

Find the sum of the measures of the exterior angles of a 41-gon.

What is 9 minus 3 and 3 fifths?

A 9 gram sample of a substance that's used for drug research has a K value of 0.1459 Find the substances half-life in days, and round answer to the nearest ten. (exponential decay)

What is the value of 2 (x+x) - 2?