Can someone please answer this questions please show work please answer it correctly please

answer:

#7:  

12 * 4 = 48

17 * 4 = 68

21 * 4 = 84

25 * 4 = 100

#8:  

1 * 0.75 = $0.75

4 * 0.75 = $3.00

7 * 0.75 = $5.25

10 * 0.75 = $7.50

#9:  

1 * 79 = $79.00

3 * 79 = $237.00

6 * 79 = $474.00

9 * 79 = $711.00

#10:

400 * 1.29 = $516.00

650 * 1.29 = $838.50

975 * 1.29 = $1,257.75

1200 * 1.29 = $1548.00

#11:  

25 * 18

450

450 * 1.29 = $580.50

it shoild be o

step-by-step explanation:

i would be happy to . most people on would also love to i'm sure. if you just want someone who has done algebra before and want a little more personal relationship than just begging strangers for , i can certainly be of service. i do have college myself so i might not be 24/7.