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SAT - Grid-ins - Test 9

SAT - Grid-ins - Test 9

Solve the problem and enter the calculated result to the text box.

Questions 1 - 5 of 10

1.

2. The slope of the line passing through P and Q is -3/5. What is the value of x?

3. A tree of height 50 feet casts a shadow 80 feet long at a certain time of day. A second tree near to the first casts a shadow 100 feet long at the same time. How many feet taller is the second tree than the first?

4. If p² - q² = 12, and p + q = 4
What is the value of p ?

5. x + y = 15, y + z = 25, and x + z = 20
What is the average (arithmetic mean) of x,y and z ?