The temperature inside an airplane decreased 3 1/2F during the first 20 minutes of a flight and then increased 2 F during the next 20 minutes .what was the total change in temperature

Arianna is buying plants for her garden. she buys 15 flowering plants for $96. pink flowering plants sell for $8, and purple flowering plants sell for $5. how many pink flowering plants did arianna buy? i figured out the answer! the answer is 7. 8x +5y = 96 plug in 7 for x 8 (7) + 5y = 96 56 + 5y = 96 subtract 56 from both sides 5y/y = 40/5 y = 8 she bought 7 pink and 8 purple plants

Iam at home. /: i am playing video games. translate the following statement into symbolic form.

Which of the following circles have their centers on the x-axis? check all that apply.