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

George wants to buy a $200 bike by the end of the summer. He decides to do odd jobs to earn the money for the bike. He miss lawns, washes cars, and waxes cars. His rates are $10 for a mowed lawn, $8 for a washed car, and $4 for a waxed car.

Mitchell is a big coffee fan, so he always takes care of coffee brewing at the office. Normally he uses 100100 grams of Robusta coffee to prepare 1010 cups of coffee.

The function C=120+.20m represents the cost see in dollars of renting a car after driving miles how many miles would a customer have to drive for the cost to be $140

Segments AC and BD are diameters of circle O. What is the measure of? 107° 146° 253° 287°

Paco made a scale drawing of a swimming pool he used the scale 1cm : 3m if the actual width of the pool is 24m how wide is the pool in the drawing

A pyramid has a volume of 1.944 in and a rectangular base with the dimensions 18 inches by 9 inches. What is the height of the pyramid? O 4 in. O 12 in. O 24 in. O 36 in.

Write the fraction 4/10 as a money amount

There are 10 vehicles in a parking lot: 3 SUVs and 7 trucks. What is the probability that of any 7 randomly chosen vehicles, exactly 1 is an SUV?

Find the difference (they are Fractions btw). 2/x+10 - 3/x+4

round the number 33 and 89