In a kindergarden class of 19 students, 100 addition problems can be completed in a mean time of 6 minutes. The standard deviation is 1 minute. How many students will take between 3 and 9 minutes?

Quadrilateral wxyz is on a coordinate plane. segment yz is on the line x+y=7 and segment xw is on the line x+y=3. which statement proves how segments yz and xw are related

In the 30-60-90 triangle below side s has a length of and side r has a length

If your annual gross income is $62,000 and you have one monthly car payment of $335 and a monthly student loan payment of $225, what is the maximum house payment you can afford. consider a standard 28% front-end ratio and a 36% back-end ratio. also, to complete your calculation, the annual property tax will be $3,600 and the annual homeowner's premium will be $360.