Let r be Ron's age.
let m be Mike's age.
m=r+4
m+r=84
m=84-r
r+4=84-r
2r=80
r=40
m=44
Ron is 40 and Mike is 44
Answer: click I don’t know this yet. It’s only diagnostics, so if you click ”I don’t know this yet” it will help you learn.
Step-by-step explanation:
A=(AB+CD)*h/2
A=(12+19)*9/2=31*9/2=279/2=139,5 in.^2
Answer:
x = 110
Step-by-step explanation:
measure of abd is 35, meaning adb is also 35.
so dab + abd + adb is 180
=> x + 35 + 35 = 180
=> x + 70 = 180
=> x = 180-70
=> x = 110
110 degrees is the value of x.
Answer:
-1.3
Step-by-step explanation: