Asafa Powell of Jamaica holds the men’s world record for the 100-m
sprint, with a time of 9.77 s.
Florence Griffith Joyner of the
United States holds the women’s
world record, with a time of 10.49

s.
What is the difference in their times?

Two numbers have a sum of -19. one number is x. what expression represents the other number?

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?

If mary had 320 toy cars and she gave her friend 50 cars and then she gave her brother 72 more cars how much toy cars would mary have left ● explain with proper details