If y varies directly with x and y=4 when x=12 then what is the value of y when x=40

Calculate the sum of 12.7, 24.8, 4.1

Give the equation of the line with a slope of 1/3 and a y-intercept of - 6

Suppose that $2000 is invested at a rate of 2.1% compounded annually. Assuming that no withdrawals are made find the total amount after 5 years. Do not round any intermediate computations, and round your answer to nearest cent.

Mrs. Payne needs 35 notepads she can buy them in packs of 10 notepads or a single pads what are all the different ways of Mrs. Payne can buy the notepads

There are 30 people at a meeting, They each shake hands with everyone. How many handshakes were there? Hint: Think "The number of combinations of 30 people at a meeting giving handshakes to each other 2 at a time."

The sides of a square are 3 2/7 inches long. What is the area of the square?

In a scale drawing of an apartment 1 centimet represents 2 3/4 feet. If the length of the kitchen is 4 1/2cm on the scale drawing, what is the actual length in feet, of the kitchen?

An initial population of 298 quail increases at an annual rate of 8%. Write an exponential function to model the quail population. What will the approximate population be after 3 years f (x) = 298 (1.08) ^x; 375 f (x) = 298 (0.

1. Find the greatest possible error for the measurement 4.7 cm. A. 0.05 cm B. 0.5 cm C. 1.0 cm 2. The weight of a rock sample is measured to be 2.5 pounds. What is the percent of error in the measurement? A. 2% B. 5% C. 10%

Solve the equation h + 20 = 35-40