570,000,000,000 as scientific notation

Which statement best explains why ben uses the width hi to create the arc at j from point k

One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?

Aramp rises 4 feet over a distance of 10 feet. what is the length of the ramp?