how many of the first 80 positive integers can he written as the sum of two distinct powers of 3? for example, 28=27+1=3^3+3^0 can be expressed, but 29 cannot be.

The area of a parallelogram is 32 square miles. Find its base and height.

H = 35 - 4t every day, lee, a home inspector, is assigned a group of houses needing to be inspected. lee uses the model above to estimate how many houses he has left to inspect at the end of each hour, where h is the number of houses he has left to

The refrigerator part of a refrigerator freezer has a volume of 27 cubic feet. The freezer part is 2 feet high, 2 feet deep, and 3 feet wide. What is the total volume of the refrigerator freezer?

The graph of g (x) is a reflection and translation of. Which equation represents g (x) ?

Solve this equation: y/9 + 5 = 0. A. y = - 5 B. y = 45 C. y = 5 D. y = - 45 User: 12. Solve this problem: - 282 - (+1,017) = ? A. 1,299 B. - 735 C. - 1,299 D. 735

A coin has a diameter of 24.26 mm. What is the area of one face of the coin? Give your answer correct to 2 decimal places. (Use the calculator value of π) Area of the circle = π x r² = ___ mm.

I conceived on september 27 when will the test show the results

For homework, Anya had to find the width of a bedroom after the scale changed from 1 inch : 4 feet to 1 inch : 7 feet. Her work is shown below.

Change the equation from standard form to slope-intercept form - 5x-2y=-3

What size sample should we draw from a population with standard deviation of 15 to have a sampling distribution standard error of 1.875?1564288