Answer: (b+5)(b-5)
Step-by-step explanation:
both b^2 and 25 are square numbers, so square root both of them to give b and 5, then put into brackets with a + and -
C
A million apologies if I’m incorrect
Answer:
V≈226.19cm³
Step-by-step explanation:
Answer:
8 hours
Step-by-step explanation:
6x+20=68
subtract 20 from both sides
6x=48
divide 6 both sides
x=8
Answer:
0,05
Step-by-step explanation:
![5\% \\ \\ = \frac{5}{100} = 5 \div 100 \\ \\ ={ \boxed{ \bold{ 0,05}}}](https://tex.z-dn.net/?f=5%5C%25%20%5C%5C%20%20%5C%5C%20%20%3D%20%20%5Cfrac%7B5%7D%7B100%7D%20%20%3D%205%20%5Cdiv%20100%20%5C%5C%20%20%5C%5C%20%20%3D%7B%20%5Cboxed%7B%20%5Cbold%7B%200%2C05%7D%7D%7D)