Answer:
-7a+6b-11
Step-by-step explanation:
-2a+5b-7-5a+b-4
Taking like term together
= -2a-5a+5b+b-7-4
= -7a+6b+11
Answer: it think it’s A
Step-by-step explanation:
It’s more reasonable than the other options
Answer:
55.3896
Step-by-step explanation:
A = πr²
A = 3.14 × 4.2²
A = 55.3896
The airplane travels 200 mph
<span>First, we need to know that the current recommended daily allowance of Vitamin E is 15 milligrams. If Leena ate four tablespoons of peanut butter, thus receiving only 6 milligrams, then we can determine the percentage by first dividing 100 into 15 parts (which gives us 6.66), and then multiply that answer by 6 (6 x 6.66), which gives us precisely 40. Thus, the answer is 40 percent.</span>