Briana records the race times for a track meet. she records for 5 groups of 4 student's each . how many observations does she make?

Asmall car averages up to 29 more miles per gallon of gas that an suv. if a small car averages 44 miles per gallon, what is the average miles per gallon for an suv?

Which equation can be used to solve for the unknown number? seven less than a number is thirteen. n-7=13 7-n=13 n+7=13 n+13=7

which  best  describes the transformation from the graph of  f(x) =  x2  to the graph of  f(x) = (x  – 3)2  – 1?   left 3 units, down 1 unitleft 3 units, up 1 unitright 3 units, down 1 unit  right 3 units, up 1 unit