1 - Calcular o valor numérico das expressões algébricas: a) xs - x4 + 5, para x = 2
b) x3 - 2.x + 1, para x = 3​

Uanita borrowed $600 to purchase a new computer. she was charged 7% interest for two years. she used the simple interest formula to find the interest. i = 600(7)(2) what error did juanita make and how will her error affect the interest she calculates? explain.

An angle that measures between 90 and 180° is called a(,

If g^-1(x) is the inverse of g (x) which statement must be true