749 written as 7.49 x 102 in scientific notation
Answer:
$10
Step-by-step explanation:
x is her weekly allowance.
She spent half her allowance and has ½x remaining.
She earned $7, and now has $12.
12 = ½x+7
x = 10
Answer:
a
Step-by-step explanation:
pigs are 75 bpm more than elephants
so elephants are x + 75
and pigs are 100 bpm
so this means your answer is a