You should try this (20+7)+(10+5)=42
Answer:
D=6+13=19
Step-by-step explanation:
F=26+12=38
M=109-18=91
k=231-56=175
Step-by-step explanation:
I think D
But I am not sure
sorry unknowingly I typed option A
Answer: 141.7 ct
Step-by-step explanation: It's quite easy to notate this. Just move the decimal point two units to the right, and there's your notation!
We claim that the answer is 
Since the two graphs both open down, and all the answer choices, in addition to the equation of the blue graph, are quadratic polynomials, the leading coefficient must be negative. This immediately rules out answer choices A, B, and C, leaving D as the answer.
