Question

1
Assuming the x > 0 which of these expressions is equivilent to 11 sqrt 245x^3 + 9 sqrt 45x^3?

a. 5x sqrt 104x
b. 20 sqrt 290x^6
c. 20x sqrt 290x
d. 104x sqrt 5x

2

For what values of x is (2x+3)/(5x+3) = 2/5
X=1
X=3
No real numbers
All real numbers



3

Your daily workout plan involves a total of 40 minutes of running and swimming. You burn 20 cal per minute running in 10 cal per minute swimming. How many calories will you burn in your 40 minute workout if you run for 20 minutes