Perform the required calculations for each of the following items. Round your answers to the nearest 0.1% 1. 20 is how much less than 30? What percent less?
2. 25 is how much more than 20 what more?
3. 37 is what percent more than 32?
4.300 is what percent less than 599?
5. 184 is what percent more than 148?
6. 102 is what percent more than 50?
7. 16 is what percent less than 489?
8. 216 is what percent greater than 80?
9.418 is what percent smaller than 516?

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation:

i think the answer is b

168

step-by-step explanation:

first off, we know that he drove 3.5 hours at a rate of 48 mph.

knowing that, we want to see how many miles he drove all-together.

in this case, we can just multiply 48 by 3.5.

48 * 3.5 = 168

answer: it is a.,b.,d.

step-by-step explanation: