A fair coin is tossed five times. Calculate the probability of obtaining

at least one head.

If you divide 200 by 30 how much is it?

A jogger runs 91 yd in 10.00 seconds. What would be his time for a 449 m run at the same rate? Answer in units of s.

A map scale is 1 in. : 50 mi. Two cities are 450 miles apart. How far apart are the cities on the map?

What's pi to as many decimal places?

As part of a screening process, computer chips must be operated in an oven at 145 °C. The starting temperature is 25 °C. After 15 minutes, the temperature is 85 °C. How many minutes will it take the oven to reach its specified operating temperature?

Find the LCM of 6 and 12

The sum of the digits of a two digit number is 6 when the numbers are reversed the number decreases by 18

Central Middle School sold 50 tickets for one night of the school play. Student tickets sold for $2 each and adult tickets sold for$3 each. They took in $135. How many of each type of ticket did they sell?

I have done a math equation for school and i forgot if i could leave a inproper fraction as my answer or if its a fraction i can reduce should i or should i not

Enter the value of n so that the expression (-y + 5) + (7y - 9) is equivalent to (ny - 4)