In a study of SAT scores, a researcher believes that students will score significantly higher on their second attempt at the exam. To test this claim, 9 students were randomly selected. Their scores on the first and second attempts at the SAT exam are shown below: Student | A B C D E F G H I First SAT score | 480 510 530 540 550 560 600 620 660 Second SAT score | 490 520 550 530 580 580 610 640 690 What is the test statistic for this test

The $x$-intercepts of the parabola $y = x^2 + bx + c$ are $(-3,0)$ and $(5,0).$ find the equation of the parabola, and submit your answer in $y = ax^2 + bx + c$ form.

The graph of a line gets what as the value of the slope gets bigger

Martin likes to make flower bouquets that have 3 daffodils and 4 tulips per vase. a daffodil has a mass of d grams, a tulip has a mass of t grams, and the vase has a mass of u grams. the expression 5(3d + 4t + v) describes the mass of 5 bouquets. match each amount in the situation with the expression that represents it. situation expression number of bouquets mass of one bouquet mass of the tulips in one bouquet 4t mass of the daffodils in one bouquet 3d + 4t + v