Select the correct answer. On the curve y= x^2+ 1 point Q has the coordinates (1.3.2.69). Estimate the slope of the curve at point Q by taking values very close to the x-
coordinate of Q.
OA 2.5
OB. 2.6
OC. 3.3
OD 5.2

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?