Mrs. adenan sold 63 bracelets at one craft fair and 36 bracelets at a second craft fair total number of bracelets she sold?

The average human heart beats 72 beats per minute. how many times does it beat in 15 seconds?

You need to solve a system of equations. you decide to use the elimination method. which of these is not allowed? 3x - 2y = 7 3x + 4y = 17 equation 1 equation 2

Which statement is true about a number and its additive inverse? a. their product is always one. b. their sum is always one. c. they are always reciprocals of each other. d. their sum is always zero.