Answer:
The answer is the last one: One runner in the study runs 31...
Step-by-step explanation:
31 is the input (x) and 81 is the output (y) and since there's 1 ordered pair per runner, it's going to be one runner, and the input is the miles ran.
Right angle i think
90 degree angle is right angle so jus Measure it
Answer:
2(5) + 3 = 13
Step-by-step explanation:
x=5
y=3
2x+y=13
2(5)+3=13
10 +3 =13
Answer:
14 weeks
Step-by-step explanation:
500 - 220 = 280
280 / 20 = 14
Answer:
mathematical expression that consists of variables, numbers and operations.