how to make the number 70 using the numbers 1,2,3,4 only once. you can use exponents, turn the numbers into double digits (for example 12+3^4)

Which ahows the graph of the solution set of 6x+4y< 12

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?