Points B, C and D lie on a straight line. AC is perpendicular to BD.
BC = 6 cm and AD = 30 cm.
B
Triangle ABC has area 42 cm.
6 cm
Diagram not drawn to scale
Calculate the size of angle x.
You must show all your working.
+
х
A
30 cm

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation

Find the quotient with the restriction.

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)