A, nêu cặp góc bằng nhau
B, biết góc A3=40°
Tính góc B2 và B3

(98 points) i need with 5 questions. answer definitions are welcomed, but not necessary.

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.