Answer:
Step-by-step explanation:
i think 1/4 of the circle has been taken by red.
and for the second answer it's 30%
Answer:
LCM of 20, 30, and 40
LCM = 120
they would cry together for the first time in 120 minutes.
Options:
A. –3(x + 3)
B. 3(x + 3)
C. 3(–x – 3)
D. –3(x – 3)
Answer:
A and C
Step-by-step explanation:
Given

Required
Factorize
The options are not given; So, I'll answer on a general term
Express -9 as -3 * 3

Then factorize 3 out of the expression as:

Another way is to factor -3 out of the expression as:


Answer:
4 1/3 hours
Step-by-step explanation:
Since he will have completed 7 hours AFTER 2 2/3 more hours, he has completed 7- 2 2/3 = 4 1/3 hours so far