Are start fraction 12 over 20 end fractionand start fraction 22 over 30 end fraction equivalent fractions? a. no b. yes, because both fractions are divisible by 2. c. yes, because the difference between the denominator and numerator in each fraction is 8. d. yes, because they can both be simplified.

(05.08a)triangle abc is transformed to similar triangle a′b′c′ below: a coordinate plane is shown. triangle abc has vertices a at 2 comma 6, b at 2 comma 4, and c at 4 comma 4. triangle a prime b prime c prime has vertices a prime at 1 comma 3, b prime at 1 comma 2, and c prime at 2 comma 2. what is the scale factor of dilation? 1 over 2 1 over 3 1 over 4 1 over 5

Ineed in figuring out this problem.

The function v(r)=4/3pir^3 can be used to find the volume of air inside a basketball given its radius. what does v(r) represent