Which of the following equations have no solutions?
Choose all answers that apply:
A)
40x + 40 = 40x + 20
B)
–20x + 40 = –20x+ 20
C)
–40x + 40 = 20x + 20
D)
20x + 40 = 40x + 20

In a circle, a 45° sector has an area of 32π cm2. what is the radius of this circle? 32 cm 12 cm 16 cm 8 cm

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much