Answer:
30
Step-by-step explanation:
boys: girls : total
3 7 3+7 =10
The total number of students must be a multiple of 10
The class size is between 22 and 34
The only multiple of 10 between those numbers is 30
10,20,<u>30</u>,40
Therefor the class size must be 30
Answer:
1 st 2/10
2nd 3/8
2/10 times 3/8 = 3/40
Step-by-step explanation:
Answer:
(d*(4c^2-3))/2
remember this is a fraction
I believe y=-x+8 cause you would take the 2 then subtract it to the 16 for it to turn into 2y=-2x+16 then you take the 2y and divide
Answers:
a. -80
b. -60
c. 98
d. -54