Add the polynomials:

6a - 4b+cand 4a + 4b+c

Do you need to regroup ones to find the product of 42 and 3? explain?

Assinale todas as assertivas corretas com relação aos princípios de ensino na Matemática. Peso: 1.0 1. A repetição de situações é contraindicada. 2. Resume-se a ensinar conceitos, habilidades e algoritmos. 3.

Johanna rode her bike 7 miles to a lake. She rode 3/4 of the distance to the lake before lunch. How many miles did Johanna ride before lunch?

If f (x) = 2x - 3 and g (x) = x, what is f (g (2)) ? OA) - 2 OB) O OC) 1 OD) 4

Ben went to Boure. He got a sandwich for $11.99 and a soda for $2.25. He tipped his waiter 15% and paid 9% in sales tax. What was the subtotal of his bill? What is the total cost with tax and tip?

Suppose $x$,$y$, and $z$ form a geometric sequence. if you know that $x+y+z=18$ and $x^2+y^2+z^2=612$, find the value of $y$.

A manager checked production records and found that a worker produced 160 units while working 40 hours. In the previous week, the same worker produced 138 units while working 36 hours.

What is a balanced equation using numbers 9,7,2,1,6?

Part of the population of 10,800 hawks at a national park are building a nest. A random sample of 72 hawks shows that 12 of them are building a nest. Estimate the number of hawks building a nest in the population.

Olivia has $220 to buy presents for her 3 sisters and 2 nephews. She wants to spend $10 more on each sister than she spends on each nephew.