Doug’s family buys 7 postcards while on vacation. each postcard costs 0.25$ including tax. how can doug use place value patterns to check his answer.

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10

Without multiplying, tell which product is larger and why. 5 × 1/3 or 5 × 2/3 a)5 × 1/3 because 1/3 is less than 2/3 b) 5 × 1/3 because 1/3 is greater than 2/3 c) 5 × 2/3 because 1/3 is less than 23 d) 5 × 23 because 1/3 is greater than 2/3

A50-foot ladder is leaning against a vertical wall. if the base of the ladder is 45 feet from the base of the wall, find the angle the bottling of the ladder makes with the ground.