What is2+2x45+6-7 i cant figure it out

Part 2 David is working through finding equivalent expressions. He is given - 2r - 5a + 12r + 10 + 5a. He thinks the correct answer is - 10a + 10 + 10r. Is David correct? Why or why not? (This can be answered by showing your work.

1,935 round to the nearest thousand

A company launches 4 new products. The market price, in dollars, of the 4 products after a different number of years, x, is shown in the following table: Product Function Year 1 (dollars) Year 2 (dollars) Year 3 (dollars) Product 1 f (x) =

This sum of this four digit even number's thousands and ones digits is 10

What is the value of the expression when x = 5, y = 4, and z = 3? 5 (4x-2y+z) a. 20 b. 65 c. 75 d. 99

The length of a rectangular map is 15 inches and the perimeter is 50 inches find the width

10 cm 8 cm se the formula for the area of a rectangle, A = lw, where A represents the area, / represents the length, and w represents the ridth. 18 cm? 36 cm 80 cm 160 cm

A ternary digit is either 0, 1, or 2. how many sequences of eight ternary digits containing a single 2 and a single 1 are possible?

Drag steps in the given order to evaluate this expression. - 3 (-3+2) - 6

Change x^2-2x-3 to intercept form