Arianna used a number line to add. she started counting at 5, and then she counted
until she was on the number -9 on the number line.
if arianna modeled addition, what number did she add to 5?

Aplot of land has been surveyed for a new housing development with borders ab, bc, dc, and da. the plot of land is a right trapezoid with a height of 60 feet and an opposite leg length of 65 feet

Can some one explain how to slove specifically, what is the value of x? 0.9(x+1.4)-2.3+0.1x=1.6 enter the answer as a decimal in the box. x= ?

The graph of a curve that passes the vertical line test is a: