Francesca is afraid she won’t have enough money to treat herself and two friends to a movie and snacks. movie tickets cost $7.50 each, medium popcorns cost $2.95 each, and medium soft drinks cost $2.70 each. round each amount up to the nearest whole dollar to find a reasonable overestimate of the total cost of the evening’s entertainment.

Standard deviation of 19,29,21,22,23

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14