A coin is flipped 50 times and lands on heads 12 times. what is the correct null hypothesis

To rent a certain meeting room, a college charges a reservation fee of $36 and an additional fee of $8.80 per hour. The chemistry club wants to spend less than $115.20 on renting the meeting room.

The measure of an angle is 15 degrees what is the measure of its supplementary angle?

Round 30713.517126 to the nearest hundred

A factory makes 12 bottles every 2 minutes. The factory makes bottles for 8 hours each work day. Enter a whole number to represent the fewest number of work days the factory will need to make 28,000 bottles.

Over which interval is the graph of f (x) = 1/2x^2 + 5x + 6 increasing?

Round 14.281 to the nearest one.

Write an equation to find the amount of simple interest, earned on a 600 dollar investment after 9 months, of the interest rate is 2.5%

Kenya is reserving a room in a hotel in france where they use euros the room charge is 75 euros. suppose the conversation rate is 1=1.298 euros. what is the cost of the room in dollars

2,200.00 simple interest rate of 3.4% how much money will there be in 5.5 years

Graph y=2cos (1/2x) - 1