The most efficient first step in the process to factor the trinomial 4x^3-20x^2+24x

a. factor out -1

b. factor out 4

c. factor out 4x

d. factor out (x-3)

Venus is about 108 kilometers from the sun. saturn is about 109 kilometers from the sun. about how many times farther from the sun is saturn than venus?

On saturday morning, calls arrive at ticketmaster at a rate of 108 calls per hour. what is the probability of fewer than three calls in a randomly chosen minute?

Geometry in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.