Sangster Math, June 23, 2022

 Calculate the following expressions  (6 points)

 

E = 3    F = 4    G = 5    H =6

 

 

3E²                               2F³                               3G³ + 2H²

 

 

 

Find the value of the unknown variable by solving the following equations (14 points)

 

3A + 12 = 57                                        7B + 22 + 4B = 55                                11C – 8 – 2C = 109

 

 

 

 

 

 

 

 

5R + 38 + 7R = 194                                                                  7T + 12 + 9T = 124

 

Find the value of the unknown variable by solving the following equations that involve exponents (6 points)

 

H² + 17 = 81                                                    3K² + 15 = 207