1 Add 6 and 7. Then, multiply by .
Which of the following expressions matches the statement above?
OA. 7 + 6x
+ x
OB. 6x (+7)
OC. 6 + 7 x
OD. } x (6 + 7)

What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9

Monica build a remote control toy airplane for science project to test the plane she launched it from the top of a building the plane travel a horizontal distance of 50 feet before landing on the ground a quadratic function which models the height of the plane in feet relative to the ground at a horizontal distance of x feet from the building is shown

The sum of 5consecutive even numbers is 100. what is the first number in this sequence?