Agroup of hikers are descending a mountain at a rate of 400 feet per hour. which expression shows the distance they descend, e , after h hours? answer choices e=400+h e=400×h e=400÷h e=400−h

Can someone check if i did this correct. it’s number 4 if you’re wondering.

Aclothing store has the sign shown in the shop window. pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. the cost of each shirt before the discount is $12, and the cost of each pair of jeans is $19 before the discount. write and simplify an expression to find the amount pani pays if a $3 discount is applied to her total

Fast! find the length of cu. the triangles are similar. show your work.