Tara has an antique sewing machine from her grandmother. it is currently worth $350. every year, it’s value increases by $20. if tara is 13 now, how much will the sewing machine be worth when she is 30 years old.

When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate. in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

What is the total surface area of the square pyramid