Answer:
6) C
8) A
Step-by-step explanation:
6) A=(base*height)/2 is the formula for a triangle.
8) yes
multiply number of pants and number of shoes
18 * 16 = 288 combinations
Answer:
y = 2x +13
Step-by-step explanation:
when 2 lines are perpendicular, the product of the two gradients is -1
i.e. m x m1 = -1
so from 10y + 5x = 3, the gradient m is -0.5
m1 = -1 / -0.5 = 2
using m1 = 2 and pt(-7,-1),
the eqn is y = (m1)x +c
-1 = 2(-7) + c
c= 13
thus y = 2x +13
