Answer:
y = x
Step-by-step explanation:
The inverse of f(x) = x is just y = x.
Answer: A toy airplane costs $6
Step-by-step explanation: Because 4 toy cars cost $8 , then there are $30 for 5 toy planes. One toy plane cost 30/5 = $6
Answer: 51 sq ft
Step-by-step explanation: 1.5*1.5=3 9*6=54 54-3=51
The area of a trapezoid is half its height multiplied by the sum of the lengths of its two bases.
6,550=1/2b(115+85)
<span>115+85= 200
1/2*200= 100
6,550/100=65.5
h=</span><span>65.5
</span>
The height is 65.5 cm