How do I do (+7) - (-2) = ?

Center city has a population of twenty one thousand seventy people write the populationin standard form

Anna learns in her science class that the human eye blinks an average of 4,200,000 times a year. What is this number expressed in scientific notation?

Suppose you were designing a line graph that was going to be printed in Time magazine. Your editor has warned against misleading your audience in any way. What items will you try to avoid when creating your graph? write a paragraph

The science center has 300 people in attendance on Tuesday. This is 150 percent of the attendance on Monday. Natasha is trying to figure out how many people were in attendance on Monday?

228000 (1.03) exponential or decay

Eva and Jamir like to bake cookies. Eva baked 24 chocolate chip cookies, and Jamir baked p peanut butter cookies. Together they baked a total of 56 cookies. Write an equation to describe this situation

Pencils cost $0.24 each and pens cost 79 each mrs. Trevonne but six pencils and 5 pen how much did she pay for the pencil and pens in dollars and cents?

N:5m A. the difference between n & the product of 5 and m B. the quotient of n & the product of 5 and m C. the product of a number n & the quotient of 5 and m D. the product of 5 and m divided by n

1. Simplify (3ab2) (2a²b2) 2. A) 12ab6 B) 36ab8 C) 6b8 D) 12ab

Daniel's tennis team made $582.85 from running the concession stand at a basketball game. The food and drinks cost the team $64.