Answer:
Step-by-step explanation can’t because he might pull out more than 10 dollars or less than 10 dollars.
The answer is 45km because times 10 and 4.5 which gets 45
3. x=7
4. x=-4
Hopefully this helps!
Answer:
acute angles
Step-by-step explanation: sorry i couldnt answer the other one
Answer:

Step-by-step explanation:
Solving an inequality is very similar to solving an equation, one uses inverse operations. The only major difference between the two is that when one multiplies or divides an inequality by a negative number, one must remember to flip the inequality sign to ensure that the inequality remains true. In this situation, such a rule does not come into play.

Inverse operations,
