Find difference between radical numbers What is the length of on the number line below? square root of 18 and[..]

find the slope of a line through (-1,3) and (-3,7)

A student has four major tests each quarter. To date she has received the following grades: 81, 93, 87. She wishes[..]

A motorboat with the current went 72mi in 4 hours. Against the current, the motorboat could go only 40 mi in the[..]

the length of a rectangle is 8cm greater than its width. Find the dimension of the rectangle if its area is 105 cm2

The nimber y visitors to Dragon Lake State park between 1984 and 1992 can be approximated by model y=172.35x^2[..]

Tom can mow the lawn in 2 hours. His friend can mow the same lawn in 2 hours. How long would it take them to mow the[..]

how many pounds of extra lean hamburger that is 7% fat must be mixed with 30 pounds of hamburger that is 15% fat to[..]

the sum of the squares of two consecutive positive integers is 113. Find the two integers.

The force needed to keep a car from skidding on a curve varies jointly as the weight of the car and the square of[..]