Using the drawing, what's the vertex of angle 4

Write the expression 7x^3-28xy^2 as the product of 3 factors

Type the correct answer in each box. use numerals instead of words. if necessary, use / fir the fraction bar(s). the graph represents the piecewise function: h

Solve the right triangle abc with right angle c, if b=30 degrees, and c = 10 a.) a=5, b=5, a=60 degrees b.) a=5, b=8.6602, a=60 degrees c.) a=5.7735, b=11.5470, a=60 degrees d.) a=8.6602, b=5, a=60 degrees