10. The product of two numbers is -30. The sum of the two numbers is 13. Find
the two numbers.

Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. there are 15 questions on the test, and students are given 51 minutes to take it. how many multiple-choice questions are on the test?

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan for ?

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.