Solve the following expressions:
1. 3² + 4²
2. 2² + 5²
3. 10² - 8²
4. √81
5. √144
6. √225

From the figure and statement provided, select the proper to prove statement. through a point outside a line one line can be drawn parallel to the line. mn= ab ab + bc= ac mis parallel to ! ab=bc als parallel to b

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

Solve the given system of equations. 2y= -x+9 , 3x-6= -15