Symmetrical shapes, multi-step equations, unit review
Answers are for parents and teachers.
1
Solve 6 × x − 8 = 40.
8
2
Solve (z − 4) × 5 = 35.
11
3
Solve y + 19 = 8 × 9 − 30.
23
4
A rectangle has vertices (2; 2), (2; 6), (9; 6), (9; 2). Its sides are 4 and 7. Find its perimeter.
22
5
343 and 565 are symmetrical numbers. What is their sum?
908