A carpenter cut the top section of window frame with a 42° angle on each end. The side pieces each have a 47° angle[..]

The surface area of a sphere is given by the formula 4лr2 where r is its radius. Although the shape of Earth is not[..]

The top of a 20-foot ladder is sliding down a wall at a rate of 10 feet per second. How fast is the base of the[..]

Find the measures of the angles of a triangle if the measure of the first angle istwice the measure of the second[..]

The combined area of a square and a rectangle is 44 square centimeters. The width of the rectangle is 3 centimeters[..]

twice the sum of two numbers is 28. the sum of their squares is 100. what is the product of the two numbers?

In 1980, median family income was about $19,000, and in 2000 it was about $41,000. (a) find the slope of the line[..]

I have 32 apples my friend ate 15 apples how many apples do i have left?

You plan to invest $23,000 in two funds paying 3% and 4 ad 1/2% simple interest. (There is more risk in the 4[..]

Students are traveling in two cars to a football game 140 miles away. The first car leaves on time and travels at an[..]