Answer:
r = -1
Step-by-step explanation:
To get r isolated, you have to divide each side by -7
7 divided by -7 is -1, therefore r = -1
Answer:
55.9% of the class are girls
Step-by-step explanation:
19/34 = 0.559
0.559 x 100 = 55.9%
3/4 of 3600..." of " means multiply
3/4 * 3600 =
10800/4 =
2700 <==
Answer:
c and d
Step-by-step explanation: