Answer: Add the number previously added multiplied by 3;
+3x, where x is the number that was added previously
Step-by-step explanation:
3+5=8. That's the first equation, where 5 is x. Then the next equation, 8+3x=23. 8+15=23. It works for all of the equations, so that's the pattern.
You can use 27 $10 bills which gets your at a total of $270 then you can use 1 $5 bill so now you're at $275 then you can use 4 $1 bills that gets you at your total of $279. The least number of bills you can use is 32.
The sides of a square have the same lengths, so the diagonal and two sides form a 45-45-90 right triangle. In a 45-45-90 triangle, the hypotenuse has a length with is

longer than the legs.
Therefore, the sides of the square would be

.
Rationalize the fraction be multiplying the numerator and denominator by root 2.

The 14 and 2 will reduce to 7, and the answer is A.
She paid $5.669. Rounded to the nearest hundredth, $5.67. Rounded to the nearest whole number, $6.