Circle thereom
please can someone help me ASAP this is consolidation proof for circle thereoms

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?