Which property of addition is this? (

6

+

3

)

+

21

-

8

=

6

+

(

3

+

21

)

-

8

What is the graph of y = sin (x) + cos (x) ?

Will mark brainliest! The area of a square floor on a scale drawing is 100 square centimeters, and the scale drawing is 1 centimeter:3 ft.

There are 56 beats in 7 measures how many beats are there in 104

In a 24 km race, during which each runner maintains a constant speed throughout, Alice crosses the finish line while Becky is still 8 km from finishing and Caitlin is 12 km from finishing.

15 + (12+8a) simplify and justify each step

Which shapes can the shaded area be divided into to find the area? figure is comprised of a rectangle and 1 triangle. a rectangle and a triangle b rectangle and a square c trapezoid and a rectangle d trapezoid and two triangles

Rounding 845,001 to the nearest thousand

To determine how a city's residents feel about building a new youth center, a group considers surveying 50 random children at a local elementary school. Why would this result in a biased sample? Select three answers.

Suppose an investment of $2,300 doubles in value every decade. The function f (x) = 2,300*2^x gives the value of the investment after x decades. How much is the investment worth after 2 decades? a. $9,200 b. $9,200 c. $92,000 d. $46,000

3. Para encontrarmos o resultado de 300 - 650, podemos: a) efetuar 650 + 300 e manter o sinal do resultado b) efetuar 650 + 300 e inverter o sinal do resultado c) efetuar 650 - 300 e manter o sinal do resultado d) efetuar 650 - 300 e inverter o