[1] Billy already had some money saved. He worked for 10 weeks over the summer, saving the same amount of money each week. After 3 weeks his savings total was $1,175.
After 7 weeks his sayings total was $1,675.
a) How much money did Billy have in savings before he started his summer work?
b) How much money did Billy have in savings after 10 weeks?

Sara sells beaded necklaces she makes a profit of 4 dollars pn every neclace she sells which table represents the profit sara makes

Measure of angles 31 (x+4) (3x+9) me

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point