Is { (4,5), (8,9), (5,6), (2,3) } a function? and why or why not?

What is the vertex of the quadratic function y=x2-8x+1

Delfina is moving to a new house, and she is packing some books in a box that measures 12 inches tall by 12 inches wide by 12 inches deep. Write the measurements of the box in exponential notation, in standard form, and in expanded form

Y/2=56 what does the y equal

Triangle JKL has vertices J (10,5) K (2,8) and L (4,9). It is translated right 5 units and up 4 units. what are coordinates of J'K'L' now?

What is this number in standard form? 3,000 + 600 + 30 + 0.5 + 0.08

What is the reference angle of - 3 radians? Explain.

What is the volume of a square based pyramid with a side 11 cm and a perpendicular height of 20 cm

Gwen had 7 1/7 cups of flour. If she used 3 5/7 cups baking, how much flour did she have left

Which expressions are equivalent to 10 a - 25 + 5 b

The high school, middle school, and elementary school are all on the same road. The distance from the high school to the middle school can be represented by the expression 8.7x2+11.9x+3.5.