Thomas happened to notice that at 4:00 p. m. on his uncle's farm, a fence post that was 5 feet tall cast a 3 foot shadow. he also noticed that a nearby tree cast a 12 foot shadow. how tall is the tree?

3x-2=8x-17 what is x

Mrs. mouth drove 360 miles on 25 gallons of gasoline Mr. brain drove 480 miles on 32 gallons of gasoline. 1, Find the mileage Per gallon of Mrs. Mouths car. 2. Find the mileage Per gallon of Mr. brains car. 3.

The sum of the square of a positive number and the square of 4 more than the number is 106. What is the number?

4 percent commission on the first 6,000 7 percent on the next 6,000 and 12 percent on sales over 12,000 last month they sold 19,500 what was his total

On a map, the length of a natural trail is 7.2 centimeters. If the scale is 1 centimeter to 25 kilometers, what is the actual length of the trail? Round to the nearest tenth when necessary. Hint:Set up and solve as a proportion and find x.

A circle with the radius of 3cm sits inside a circle with a radius of 7cm What is the area of the shaded region? (Round your answer to the nearest hundredth

Roberto says that the opposite of a certain integer is - 5. cindy concludes that the opposite of an integer is always negative. explain cindy's error

Match the expression with its name. 3x + 7 A. linear monomial B. linear binomial C. cubic binomial D. quadratic monomial

Use compatible numbers to find two estimates: 42:396

A student bought 20 pencils for school if he sharpened 4 of the pencils before school what is his ratio of unsharpened pencils to sharpened to pencils