There were nn signers of the Declaration of Independence. The oldest was Benjamin Franklin, who was yy years old. 7 is 10% of yy and nn is 80% of yy. How many signers were there?

How many subsets does the set {Apple, Banana} have? 2 3 4 5 6

Find the volume of a sphere with a surface area of 36straight pi in2

Select the correct answer. Which economic indicator measures the change in prices of specific goods and services over time? A. Price Change Rate OB. Consumer Price Schedule C. Consumer Price Index

During the first 11 months of a recent year, a certain charitable organization received an average (arithmetic mean) of $20,600 per month in donations.

2 numbers sum 120 and product 400 (numbers can be positive or negative)

Determine whether each sequence is arithmetic, geometric, or neither. explain. 7,13,19,25, ...

Simplify: 7 (-8y) + 4 (-6+6y)

Southwest Dry Cleaners believes that it will need new equipment in 7 years. The equipment will cost $26,000. What lump sum should be invested today at 6%, compounded semiannually, to yield $26,000? a. $ 17,189.06 b. $ 23,243.29 c. $ 21,091.71 d.

6a^2 - 12a equals what

A box contains 3 black pens, 7 blue pens, and 5 red pens. She pulls a red pen, puts it back, pulls a blue pen, puts it back, and then pulls a black pen and uses it. P (red, then blue, then black)