How do u solve the equation 4 (a - 4) = a - 15?

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