Answer:
It's 51 square inches. You can multiply 12x8 and subtract 9x5 from that.
Answer:
Step 3, He should not switch the variables, you just don't do that.
Answer:
14
Step-by-step explanation:
if you plug in 9 for x in the equation x+5, you get 9+5
9+5=14
If 1 ml of volume contains 1 mg of epinephrine, then 0.1 ml of volume contains 0.1 mg of epinephrine.
Let x be the number of ml you need.
Ratio: 1 ml is to 1 mg as x ml is to 0.1 mg
(1 ml)/(1 mg) = (x ml)/(0.1 mg)
Cross multiply.
1 * x = 1 * 0.1
x = 0.1
Answer: 0.1 ml
The upper left and bottom right are functions.
Remember a function has to pass the vertical line test. Elements from the domain cannot repeat, but elements from the range can.
