Let the score on her seventh test be "x".
SO,

∴ He must get 104% on his seventh test to get an average score of 90%
Answer:
+9
Step-by-step explanation:
all plus signs stay the same inside and out the parenthesis
Answer:
Diameter = 6 ft, height = 2.5 ft=====Volume 22.5
Radius = 2ft, height=4.5 ft=======18 pie ft ^3
Area Base = 10Pie ft ^2 , height =2 ft=====Volume 20 pie ft ^3
Step-by-step explanation:
edge 2022
8-5+10 divided by 5*6 + 2 = 17