What is the result of subtracting the polynomial (X2 + 3x) from the
polynomial (-2X + 4X2 +5)?

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.

The first triangle is dilated to form the second triangle. select true or false for each statement. statement true false the scale factor is 0.625. the scale factor is 1.6. a right triangle with a side length of .5. an arrow points to a larger right triangle with a side length of .8

Subtract the following polynomials, then place the answer in the proper location on the grid. write answer in descending powers of x. 3x-5x+12 5x^2+x-11