In a school of 1600 students, the ratio of teachers to students is 1:16. Some teachers join the school and the ratio changes to 3:40.
Find the number of teachers who joined the school.

start with a line segment pq that we will copy. mark a point r that will be one endpoint of the new line segment. set the compasses' point on the point p of the line segment to be copied. adjust the compasses' width to the point q. the compasses' width is now equal to the length of the line segment pq.

step-by-step explanation:

f(x)=4

step-by-step explanation:

0.50 , 0.75

step-by-step explanation:

answer:

c) the x-coordinate of the center of the circle increases by 3