Choose the algebraic expression that best matches this verbal description: "the sum of 3 and 7 times a number x

a 3 - 7x

b 3 + 7x

c 3*7x

d 7x - 3

42 is 87.5% of what number

Estimate how many times larger 10 x 10^9 is than 99 x 10^6 A) 10 times larger B) 50 times larger C) 100 times larger D) 500 times larger

What is the Mad of the numbers 1530 1340 1425 1600 1530 1425

Consider the quadratic equation ax^2+bx+5=0, where a, b, and c are rational and the quadratic has two didstinct zeros if one zore is irrational, the other zero is

The sum of 2 number is 42 and when you switch the order the difference is 5

Wei has $150.00 to make a garland using 60-cent balloons. He wants to purchase 100 blue balloons and some number of white balloons. He learns that the white balloons are on sale for half price.

What is the slope of the line with equation y = - 7x?

Tyrone is converting 45/50 to a percent. Which method should he use to find the percent?

Mr. wireless Costco we're going to rent a limousine for a trip to the city the limo cost so hard for the night and $0.15 per mile they have $750 to spend write an inequality that represents this scenario how many miles can the limo travel

A video shop owner wants to find out how many videos are turned in late. He found that of the next 30 videos turned in, 8 were late. If 450 videos are turned in over the next several hours, what is the best prediction for how many will be late?