Answer:
y = 40
Step-by-step explanation:
y-10=30
y=30+10
y=40
18 inches or 1 foot and 6 inches
multiply 3 feet by 12 and add two to get the width of the door in inches then subtract 20 inches from it to get the difference
Answer:
b. (4,1/2)
Step-by-step explanation:
Answer:only the ones that have letterers *m* are like terms
Step-by-step explanation: for example
5j+9u+3+6n+N
5j 9u 6n n are all like terms
Answer:
120°
Step-by-step explanation:
All triangles are equal to 180° so you would subtract the total (180) from the given