Erin's family went to Disney world when Erin was 11 yrs old and her sister was 3. This year Erin's age is double if her sister. How many years ago did the go to Disney?

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