Which of these strategies would eliminate a variable in the system of equations? {2x+8y=−33x+6y=−4\begin{cases} 2x + 8y = -3 3x + 6y = -4 \end{cases}⎩⎪⎪⎨⎪⎪⎧2x+8y=−33x+6y=−4 Choose all answers that apply: Choose all answers that apply:

Estimate each quotient. show the compatible numbers you use. 0.02848 ÷ 0.00579

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

Abag contains 10 white golf balls and 6 striped golf balls. a golfer wants to add 112 golf balls to the bag. he wants the ratio of white to striped gold balls to remain the same. how many of each should he add?