Answer:
b=19
Step-by-step explanation:
2x(3x+5)+3(3x+5)=ax2 +bx+c
by expansion,
6x2 +10x +9x+15=6x2 +19x +15
Answer: 7x + 9y >_ (more or equal) 314
X + Y <_ ( less or equal) 35
27/1000
P(G,G,G) = 3/10 x 3/10 x 3/10
C
You can see by looking at the graph that Abby rode the fastest. She rode about 9 miles in 25 minutes. The others weren't able to ride that fast.
Hope I helped :)
