In δqrs, the measure of ∠s=90°, the measure of ∠r=69°, and qr = 19 feet. find the length of rs to the nearest tenth of a foot. answer quickly .

An animal shelter has 21 puppies. if the puppies are 28% of the total dog and cat population , how many dogs and cats are in the animal shelter

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

Select the two pairs of figures that are similar.