Answer:
D and E
Step-by-step explanation:
Perimeter = 4s
4(x + 8)
4x + 32
The answer would be 8 dogs.
Answer:
167.2 m/sec
Step-by-step explanation:
Convert 602 km/hr to m/sec, as follows:
602 km 1000 m
------------ * ----------------- = 602,000 m/hr
hr 1 km
Recall that 1 hr = 3600 sec. Convert 602,000 m/hr to m/sec:
602,000 m 1 hr
------------------ * ---------------- = 167.2 m/sec
1 hr 3600 sec
Start with expression 
1. Separate terms - with x leave in left side, without x write in right side:

2. Divide the last expression by a (
):

Answer: this statement is true when
.
If you plug in the x and y, you get
7(1)(3)
7 x 1 x 3 = 21, so the answer is 21