Ron spent 3/4 hourron spent 3/4 hour drawing his assignment while unspent 1/2 hour how much more time then run spend studying than an ​

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

What is the measure of sty in oo below? 130 310 230 50

At a pizza shop 70% of the customers order a pizza 25% of the customers order a salad and 15% of the customers order both a pizza and a salad if s customer is chosen at random what is the probability that he or she orders either a pizza or a salad