Answer:
7x+72xy
Step-by-step explanation:
7x+8x(9y)=7x+72xy
Answer:
6.5
Step-by-step explanation:
when a negative is multiplied by a negative it in turns turns into a positive...hence 2+4.5
Answer: 2x-3=15
2(9)-3=15
18-3=15
Answer:
3/4
Step-by-step explanation:
Answer:
Step-by-step explanation:
Height of the cylinder h = 17 cm
Radius of the cylinder r = 5 cm