The diagrams show a right angled triangle and a rectangle. Diagrams NOT
accurately drawn
15 cm
17 cm
12 cm
x cm
x cm
8 cm
12 cm
The area of the right-angled triangle is equal to the area of the rectangle.
Find the value of a
(4 marks)

Place the following steps in order to complete the square and solve the quadratic equation,

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?