Cora is building block towers of two different heights. In each tower, the ratio of blue blocks to purple blocks remains the same as shown in the diagram. The table shows the number of blue blocks and the number of purple blocks that Cora will use on each of her towers.
Based on the ratio, complete the missing values in the table.

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?

Solve the problem. a student earned grades of c, a, b, and a in four different courses. those courses had these corresponding numbers of credit hours: 4, 5, 1, and 5. the grading system assigns quality points to letter grades as follows: a = 4, b = 3, c = 2, d = 1, and f = 0. compute the grade point average (gpa) and round the result to two decimal places. 3.40 3.50 8.75 2.18

Which of the following is an equation of a line parallel to the equation y=4x+1?