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.

There are 454 tiles in a row. About how many tiles are there in 12 rows?

What is the slope of (6,5) and (4,7)

Write an inequality and solution solve it for four more than a number is more than 13

Sal is tiling his entryway. The floor plan is drawn on a unit grid. Each unit length represents 1 foot. Tile costs $2.25 per square foot. How much will Sal pay to tile his entryway?

In addition to the steps in the hierarchy of controls, what should an employer to do prevent or control workplace hazards?

Ratios - coca cola has 65g sugars total. Equivalent amount of carrots: 1.383 kg or approx 3 lbs. so question asks "Use ratios to determine how many grams of sugar are and 1 kg of carrots". How do I do?

Which of the binomials below is a factor of this trinomial x^2+4x+4

A fence is 692 m long. It is cut into three parts. Two parts are the same length, and the third part is 26 m longer than either of the other two. Find the length of each part.

Grace and Max worked together on a math problem. they had a rectangle piece of paper that 14 inches long and 11 inches wide they where asked to cut this piece of paper into 1/8 inches wide strips using the length of paper how many 1/8 inches wide

If s (x) = 2 - x2 and t (x) = 3x, which value is equivalent to (s. t) (-7)