Ray is 23 years older than his sister Carol. in 20 years he will be twice as old as Carol. how old is each of them now?

84 is what percent of 56

What is 0.042 in scientific notation

The quotation of 2 times a number and 19

Your a football running back and you gain 5,5,-6,-7,2,-4 in the first quarter of the big football game. 1. What is your total yardage at the end of the first quarter? 2.

Is it possible to form a traingle using segments (8ft, 9ft, 11ft) ? Explain your reasoning.

Evaluate e^-3. round your answer to three decimal places

What is the total cost or sale price to the nearest cent? $10 lamp; 5% tax

Which of the following tables represents a function? A. x) 6 6 7 7 y) 2 - 2 3 - 3 B. x) 2 - 2 3 - 3 y) 5 5 7 7 C. x) 3 - 3 3 - 3 y) 6 7 8 9 D. x) 4 4 5 5 y) 1 2 3 4

Kayla is 2 times as old as gabriella. 12 years ago, kayla was 6 times as old as gabriella how old is gabriella now i need step by step so i know how and get full credit

Dan must do homework for 1/2 of an hour and clean his room for 1/3 of an hour before he can play. What faction of an hour must Dan do homework and clean before he can play