Eduardo é um homem de negócios e possui 10 ternos,20 camisas,30 gravatas e 5 pares de sapatos. De quantas maneira ele poderá se arrumar para uma reunião importante, sendo que vai usar um terno, uma camisa, uma gravata e um par de sapatos?

What is the equation of the graph that represents f(x)=x^4 stretched vertically by 2 and shifted up 3 spaces

Acircle has a circumference of 2 pi cm. which statement about the circumference and area is true? a comparison of the area and circumference is not possible since the area cannot be determined. the numerical values of the circumference and area of the circle are equal. the numerical value of the circumference is greater than the numerical value of the area. the numerical value of the circumference is less than the numerical value of the area.

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?