1.5x + 1.3x = -8.4

I just wanted to make sure i got it right I got X = 42

Which of the following is true for the relation f(x)=2x^2+1

The distance between two cities is 368 miles. if the scale on the map is 1/4 inch=23 miles, what is the distance between the cities on the map?

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