Answer:

Step-by-step explanation:
Let
x ----> the length of Zach's car
y ----> the length of Ginny's car
we know that
The sum of the lengths of both cars is 30 inches
so
----> equation A
Ginny's car is 2 more than 3 times the length of Zach's car
so
----> equation B
substitute equation B in equation A

Answer:
4
Step-by-step explanation:
Yeah if you don't know this one... you're... special.
Answer:
1/30
Step-by-step explanation:
When we are dividing fractions, we can turn it into multiplication
14/15 divided by 28
14/15 x 1/28
14/420
simplified to 1/30
Answer:
4x²+35x+24
Step-by-step explanation:
FOIL the binomials and simplify
7.2 miles per hour hope that helps if not then tell me. what is the unit or items. example:miles over hour.