Answer:
YOU JUST NEED T APPLY THE FORMULA OF CIRCLE AND IRREGULAR SQUARE AS TRAPEZOIID
Step-by-step explanation:
Answer:x=-8
Step-by-step explanation:subtract 21 from both sides then simplify 31-21 to -8
Maria = x
Tom = y
Use substitution
x+y=30
2y=x
2y+y=30
3y=30
y=10
Tom is 10 years old.
x+y=30
x+10=30
x=20
Maria is 20 years old.
Y=4
How?
When they say directly you should multiply the x and y together. You would get -24, now using that number divide -24 by the new x(-6) you would get 4.
Answer:
1
Step-by-step explanation:
8-7=1
