What's a equivalent expression for 4 (x - 2+y)

What percent of 94 is 32

A square patio has an area of area of 200 square feet. How long is each side of the patio to the nearest 0.05?

This is Josh's work and solution for the equation x^2-6x-7=0: x^2-6x-7=0 x^2-6x=7 x^2-6x+9=7+9 (x-3) ^2=16 √ (x-3) ^2) = ±√16 x-3=± 4 x=-3±4 x=-3+4 x=-3-4 x=1 x=-7 Is Josh's solution correct? Explain.

53,010,000 in scientific notation

Find the lower bounds for the following weights? a) 16.4 g correct to 1 decimal place b) 21.58 g correct to 2 decimal place

What are the chances of getting heads 10 times in a row in a coin toss?

Which expression is equivalent to 15 (n+3/n) ? £ N=10

Reduce to simplest form. -5/9 + (-7/12)

Triangle ABC is a right triangle where B is the right angle, AB = x, and BC = x. What could be the first step of a proof BD of the triangle divides the hypotenuse into two segments of equal length?

Tommy plotted the opposite of one. Alicia plotted the opposite of two. Which Number is greater in value? Explain.