7. A room is 12 m 15 cm long and 8 m 91 cm broad. The floor of the room is to be paved with square tiles. Find the length of the largest tile that can be used.
8. Find two numbers between 100 and 150 with HCF 24.

the circle graph is not a function.

step-by-step explanation:

the graph of the circle is not a function.

because for a graph to be a function, each value of x must give one value of y

in the circle, the values of x for -2< x< 2 each give 2 values of y.

hence this is not a function.

i’m here for points.

c

step-by-step explanation:

-3.5 degrees per hour

step-by-step explanation:

find the unit rate:

-12   1/4 degrees           12.25 degrees

= - = -3.5 degrees per hour

      3   1/2 hours               3.5 hours