Perla visits the library every 4days pedro visits it every 5 days. not counting the first day, on what day will they meet again in the Library? A)day 10 B) day 12 C)day 20 D)day 14

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

The area of a rectangle is 54x^9y^8 square yards.if the length of the rectangle is 6x^3y^4 yards,which expression represents the width of the rectangle in yards

Complete the steps, which describe how to find the area of the shaded portion of the circle. find the area of the sector by multiplying the area of the circle by the ratio of the to 360. subtract the area of the triangle from the area of the sector.