Angles ∝ and β are the two acute angles in a right triangle. use the relationship between sine and cosine to find the value of β if β < ∝.

sin(x/2 + 2x) = cos(2x + 3x/2)

What were mkh company's cash flows from (for) operating activities in 20x1? $(180,300) $233,100 $268,200 $279,400?

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

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?