How many solutions does the following equation have?
-7x-10-15x=-22x+83

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

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

If i have 20$ and i gave 5$ away how much i got