Tom and his family went out to dinner. Their total bill came to $44.78. Tom left a 20% tip.
Approximately how much money did he leave
for a tip?

Step-by-step explanation:

20% / 100

0.20 * 44.78

8.9 is 20% of 44.78

answer: 180

step-by-step explanation:

12-2=10

20-2=18

10x18=180

d. 8

step-by-step explanation:

the given radical expression is:

we can rewrite this as:

we express as square numbers to get;

the exponents will now cancel out to give.

the correct answer is d