CANDY BARS
3
6
9
COST
0.75
1.5
2.25
UNIT
RATE:
HELP PLEASE

Answer these questions showing your work plz

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

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)