What is the greatest common factor of - 3r^2 + 15

3(r^2+5)

my qualifications:I am in the highest level math class in my school, though my brain doesnt function, if this is wrong pls make sure to remind yourself that you asked for it

d (5 x (-20)) * (100 x (0.7))

step-by-step explanation:

5÷1/100 * -.7 *-20

copy dot flip

5*100 * -.7 *-20

rearrange

5*-20   * 100 *-.7

-100   *-70

7000

for a it would be 24 children.

for b i don't understand the question. is it saying for each individual person they pick 5 reds to 7 greens or is it the whole group. clarify and i hope this can you.

step-by-step explanation: