Find the product or quotient for questions 4-9. 10.85 (1.7)
O
A. 18.445
B. 12.55
C. 20.29
D. 1.845
Answer ASAP please

Can someone tell me if this is perpendicular? !

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.

Ntriangle abc, m∠a = 35° and m∠b = 40°, and a=9. which equation should you solve to find b?