The function f(x) = 6x + 8 represents the distance run by a cheetah in miles. the function g(x) = x − 2 represents the time the cheetah ran in hours.

Blank × 10-3 is 2,000 times greater than 1.9 × 10-6. it is also blank times greater than 9.5 × 10-4.

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

What is the value of x when x + 7 = 21?