Each class at briarwood elementary collected at least 54 cans of food during the food drive. if there are 29 classes in the school, what was the least number of cans collected?

3x + 4y = 5 x- 3y = -7 solve by substitution

Evaluate this using ! 0.25^2 x 2.4 + 0.25 x 2.4^2 − 0.25 x 2.4 x 0.65

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.