180g of copper is mixed with 105g of zinc to make an alloy. the density of copper is 9g/cm^3 and the density of zinc is 7g/cm^3. work out the volume of copper used in the alloy.

Write an equation in standard form of the line that passes through the point and has the given slope. ( -2, 4) ; m = -6which of the following best describes the technique used to graph the equation using the slope and y-intercept? y = 5x + 10write the standard form of the equation of the line through the given point with the given slope. point , 4); slope -3/2

Enter the missing numbers in the boxes to complete the table of equivalent ratios of lengths to widths. ? 18 8 ? 10 30 12 ?

Find the dimensions of the circle. area = 64π in.² r= in.