Pedro tanquea el carro varias veces al mes. Para empezar, le echa 5 galones a $7450 cada uno; luego, 7 galones a $7385 cada uno; luego, 6 galones a $7980 cada uno; luego, 8 galones a $7415 cada uno; y, por
último, 4 galones a $7390 cada uno. Al hacer la revisión a fin de mes, quedaban 3 galones y los valoró al
precio más bajo pagado. Expresa la situación en un polinomio y calcula el total de lo que Pedro gastó en
gasolina durante el mes.

Solve the system by the elimination method. 2x + y - 4 = 0 2x - y - 4 = 0 when you eliminate y, what is the resulting equation? a.x = 0 b.4x = -8 c.4x = 8

Acompany produces packets of soap powder labeled “giant size 32 ounces.” the actual weight of soap powder in such a box has a normal distribution with a mean of 33 oz and a standard deviation of 0.7 oz. to avoid having dissatisfied customers, the company says a box of soap is considered underweight if it weighs less than 32 oz. to avoid losing money, it labels the top 5% (the heaviest 5%) overweight. how heavy does a box have to be for it to be labeled overweight?

Prove that 16^4-2^13-4^5 is divisible by 11.