To gather information about the accuracy of a new cholesterol test, a random sample of 20 hospitals was selected from the state. The new test was administered to every patient in the selected hospitals. What kind of sample is this? A)a cluster sample
B)a simple random sample
C)a stratified random sample
D)a systematic random sample
E)a voluntary response sample

3. solve the given inequality and graph the solution on a number line.

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.

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /