Answer:
r= -6
Step-by-step explanation:
expand and get
5r+45-2+2r=1
7r+43=1
7r=1-43
7r=-42
r=-6
Answer:
Step-by-step explanation:
In vertex form, the equation is
y = a(x-h)^2 + k
So just read off the values!
Answer:
i believe c is right.
please give me brainliest.
Step-by-step explanation:
50% of 100 is 50. If you look at the percentage symbol, it has a line with two zeros. If you rearrange them it looks like a one hundred. 50%= .50= 1/2. 1/2 times 100=50
