Answer:
Planes and pulleys can increase the speed of completed work
Step-by-step explanation:
Answer:
121 cm
Step-by-step explanation:
12x13=156
7x5= - 35
________
121
Answer:
6x-5
Step-by-step explanation:
We have to find 2 sides added together, so we do (24x-20)/2=12x-10. (12x-10)/2=6x-5, so it is 6x-5.
X=2 because 3 times 2 is 6 and then you add 6 and 7 together and get 13.