Mr. macho, my great dane, ate 125 hot dogs over a five day period. each day he ate seven more hotdogs than on the previous day. how many hot dogs did he eat on the first day?

tell me how to do it

What are the domain and range of the function? f(x) = -4 (sqrt)x

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)