Hey there, the answer to your question is
A) y=(-0.49)x²+23.38x+996.03
B) 1267.63
Use technology for part A.
Using the equation from part A, substitute 20 in place of x:
y=(-0.49)(20²)+23.38(20)+996.03
y=1267.63
Hope I Helped out
Answer:
see below
Step-by-step explanation:
2/10 = 1/5 = 0.2 = 20%
i) 3a+2b=9 /*3
9a+6b=27
ii) 8x+6y=60 /: 2
4x+3y=30
35:40 ; 35 to 40 ; 35/40