Peyton is 11 years old and knows 10-7=3 and 3+7=10 but finds it difficult to solve a math problem, such as 3x-5, because she cannot understand why there is a letter in the problem. Piaget would most likely place her in the

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books

Drag the tiles to the correct boxes to complete the pairs. label each function. as even , odd, or neither.

Alina fully simplifies this polynomial and then writes it in standard form. xy2 – 2x2y + 3y3 – 6x2y + 4xy2 if alina wrote the last term as 3y3, which must be the first term of her polynomial in standard form? xy2 5xy2 –8x2y –2x2y