72 is what percent of 45?

How do I factor out 4x^2+112x+9

In a recent year, 18.1% of all registered doctors were female. if there were 49,400 female registered doctors that year, what was the total number of registered doctors

Find unit rate 3 notebooks for $6.99

The probability of rolling an even number with a six-sided number cube is about 1/2. Choose the likelihood that best describes the probability of this event.

Find a cofunction with the same value as the given expression. cos ([4pi/3]+x)

Mary can make a costume twice as fast as Sam can. If they both work together, they can make it in 6 hours. How long will it take Mary to make the costume if she works alone?

An equiangular triangle is also known as: acute right. regular obtuse

Three friends each bought a different ipod nano music player the total for the three purcheses was $375 Thomas paid 30 more than Megan Ryan paid 15 less than Megan how much did each person pay

Trignometric ratios

Simplify | 4-9 | A) 13 B) 5 C) - 5 D) - 13