CQE is a right angle. Hope this helps!!!
4/500=0.008
scientific notation form = 8 x 10^9
Answer:
b
Step-by-step explanation:
cause si papi munano
J=john
m=mary
j is 2 times as old as mary
j=2 times m
sum is 21
m+j=21
find mary
subsitute
j=2m therefor subsitute 2m for j
m+2m=21
add like terms
3m=21
divide by 3
m=7
mary=7
*HOPE I HELPED!*
Answer: c
Step-by-step explanation: