Find the exact value of cos (u + v) given that sin u = 3/5 and cos v = -24/25 (Both angles are in Quadrant II.)

Started: jun 20 at 10: 35pm quiz instructions question 3 y 2x+4 graph the system of linear inequalities 1 by < 2x-2 ty

Which expression is equivalent to 4 square root 6 divided by 3 root 2

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