James has a total of 66 dollars in his piggy bank. He only has one dollar bills and two dollar bills in his piggy bank. If there are a total of 49 bills in James's piggy bank, how many one dollar bills does he have?

25% of what number is 21

What is 4/6 in percent

Pedro is building a spice rack with four shows that are each 0.55 meters long

Consider this cylinder with the given base area and height measures. A cylinder with height of 9 inches and Base B = 12 pi inches squared. Use the formula to calculate the volume.

1/2 + 1/3 add write in simplest form

Kristy spent 4 hours at the gym last week. if 5 over 6 of the time was spent jogging, how much time did she spend jogging?

2. 4xyz - 3yz + zxy (18)

You randomly draw marable from a bag of marable that contain 3 blue marable, 4 green marable 4 green marble and 5 red marable What is P (draw a blue marable)

autopilot aviation sells model airplanes for $125. Dale loves to build model airplanes, and knows the store is offering a sell today. When he gets to the store, there are no sale signs. However, his model airplane rings up for $97.75.

If a couple plans to have eight children, how many different gender sequences are possible