Answer:
D
Step-by-step explanation:
Scatter plot (Use excel with any bivariate data you can find)
b=19
2x(3x+5)+3(3x+5)=ax2 +bx+c
by expansion,
6x2 +10x +9x+15=6x2 +19x +15
if she types 50 words per minute it would be 16 minutes for her to get to 800 words
true, refer to picture for more understanding :)
I think its 20x - 2 because when u are given KJ or KL we need the measurement of x
