0.4 (5x-15+2.5 (x+3) solve for x with an explenation

The following data pairs represent the average temperature x (in degrees Fahrenheit) and electricity costs y (in dollars) for different homes (65, 147), (59, 141), (71, 176), (78, 189), (82, 183), (85, 211), (88,231), (91, 227), (84, 198) (79, 188),

Which addition sentence show you how to find 16-9? 9+1=10, 10+5=15 9+1=10, 10+6=16 9+2=11, 11+6=17 9+1=10, 10+9=19

Is the dilation above an enlargement or a reduction

3. Given the volume of the cube, find the side length. Volume is 1,000 cubic inches. Side Length:

If the half-life of a sample of a radioactive substance is 30 seconds, how much would be left after 60 seconds? a. one-fourth b. half c. one-eighth d. you would need to know how many atoms you are starting with.

As I was going to St. Ives I met a man with seven wives. Each of his wives had seven sacks, Each of the sacks held seven cats, Each of the cats had seven kitts. Kitts, cats, sacks, and wives. How many were going to St. Ives? Consider the poem.

Write a general rule for multiplying fractions

15 yards to 18 yards

Solve this (6 + 5) + 65

A is a horizontal bar used in mathematical notation; in fractions it is the bar that separates the numerator from the denominator, in repeating decimals it indicates a group of repeating numbers.