Answer:
0.50
Step-by-step explanation:
0.30 + 0.20 = 0.50
(That answer feels almost too easy so I am not positive. I would wait for other answers to come in before submitting for your quiz/homework)
I can see 20 cubes, so the volume is 20 units^3
Answer:

Step-by-step explanation:
a^4+-4 * b^2+4
a^0*b^6
Answer:
P=20%
Step-by-step explanation:
Let's suppose that each question in the test has one and only one correct answer. This means we have 1 desired outcome out of the total 5 desired outcomes. Therefore:
Probability=#of desired outcomes / #of possible outcomes
or


P=0.20
P=20%