I'm worried about my math.

1. Why don't you buy a math self-
teaching book and solve math problems a lot.

2. Why don't you buy a math self-study book and solve math problems a lot.

3. Why don't you go to a math academy and study math more?

4. Why don't ask your brother to help you with math?

5. Whay don't you ask the math teacher to help you?

6. Why don't you buy a math reference book and solve math problems a lot.

7. Why don't you buy a math workbook and solve math problems on it?

8. Why don't you buy a math self-aid book and solve math problems in it a lot?

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Would you check the answers? Can we use the sentences in the answers?

5 answers

These sentences are all just fine. We might, however, say, "practice solving math problems" instead of saying "solve math problems a lot".
A building 64 ft high casts a 288-ft shadow. Sarah casts a 18-ft shadow. The triangle formed by the building and its shadow is similar to the triangle formed by Sarah and her shadow. How tall is Sarah?

3 ft

6 ft

4 ft

5 ft
all sentences are right We might, however, say, "practice solving math problems" instead of saying "solve math problems a lot".
Which of the following is a rational number?(1 point)
Responses

7–√
square root of 7

7.9837377283...
7.9837377283...

7.8
7.8

π
pi
um I have a math question.