Answer:
CAN'T TELL . BECAUSE I HAVEN'T SEEN SUCH A QUESTION BEFORE
A.
B and C are wrong because x is more than or equal to 3.
D is wrong because y is the weight of oranges and cannot be negative.
Number 3 is 100 number 4 is 112
Answer:
R, in beats per minute, can be approximated by the formulas, where a represents the person's age.
where R= 143 - 0.65a for women.... (1)
and R= 165 - 0.75a for men,..... (2)
So by implementing these two equation we get a = 40
So the age will be 40 years old
know more about “Mathematical Equation” here: brainly.com/question/1214333
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