15 is the gcf of 30 and 45
Answer:
m1 = 68°
m2 = 53°
m3 = 127
m4 = 31°
Step-by-step explanation:
m1 = 90-22
m2 = 68+59=127, 180-127
m3 = 180 - 53
m4 = 127+22=149, 180-149
Answer:65
Step-by-step explanation: So the answers would be 78 as well
If there are 4 girls to every 9 students, then there are 5 boys to every girl, 9-4=5. So, there are more boys in the class.
Answer: 18
Step-by-step explanation:
Evaluate 7 r − 15 /s
Given that r = 3 and s = 5
7r - 15/s
Substitute 3 for r and 5 for s in the above expression
7(3) - 15/5
= 21 - 3
= 18
