Which points are reflections of each other across the y-axis? y
8
6
4
2
2
-8-6-4-2
2
4
6
8
х
2 -4 -6 -8
O (-7, -3) and (7, -3)
O (-5, 4) and (5,-4)
(1, -8) and (1,8)
(-3,5) and (5,-3

Three times the sum of a number and seven is negative thirty-six. what is the number?

Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.

Julia bought 7 hats a week later half of all her hats were destroyed in a fire. there are now only 12 hats left with how many did she start