Which equation can be used to calculate the surface area of the triangular prism net show below?
10 cm
13 cm
12 cm
5 cm
5 cm
[Not drawn to scale)
Surface Area =
= (53012) 4 (5/10)+(12)(10) + (13(10)
(1 513 15
(10)

Tell whether the two rates form a proportion

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.

Add, subtract, multiply, or divide as indicated. list any restrictions for the variable(s) and simplify the answers when possible. 1) x-2 / x+5 + 3x / 2x-1 2) x+6 / x-6 - x^2 / x+6 3) x+9 / x-4 + x+2 / x^2-11x+28 4) x / x^2-64 + 11 / 2x^2+11x-40 5) 5 / x + 11 / x-3 - x-4 / x^2+2x-15