Which of these strategies would eliminate a variable in the system of equations? \begin{cases} 8x + 5y = -7 -7x + 6y = -4 \end{cases} ⎩ ⎪ ⎪ ⎨ ⎪ ⎪ ⎧ 8x+5y=−7 −7x+6y=−4 choose all answers that apply: choose all answers that apply:

We must first determine the shape of a rectangular prisms _ a0 to find area of the prism

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

11. minitab software was used to find the lsrl for a study between x=age and y=days after arthroscopic shoulder surgery until an athlete could return to their sport. use the output to determine the prediction model and correlation between these two variables. predictor coef se coef t p constant -5.054 4.355 -1.16 0.279 age 0.2715 0.1427 1.9 0.094 r-sq = 31.16%