Answer:


Step-by-step explanation:
Given the expression;

Similarly for the expression;

Answer:
12 minutes
Step-by-step explanation:
4 minutes= 7 kilometers
=> 4*3 minutes= 7*3 kilometers
=12minutes=21km
Answer:
x= +- 4/3
Step-by-step explanation:
(3x+4)(3x-4)=0
make each equation set to 0 and solve
3x+4=0
subtract 4 from both sides
3x=-4
divide both sides by 3
x=-4/3
3x-4=0
add 4 to both sides
3x=4
divide both sides by 3
x=4/3
Answer:
5
Step-by-step explanation:
def is similar to abc so the 7.5 side is 1.5x bigger so divide 7.5 by 3 and multiply by 2
Answer is 128 cubic inches