sally and Martha had the same number of postcards after Sally sold 18 of her postcards Martha had four times as many postcards as Sally how many postcards did each girl have to begin with

Layla is buying a set of patio furniture that is on sale for 4/5 of the original price. After she uses a AED 50 gift certificate, the total cost before sales tax is AED 222. What was the original price of the patio furniture?

Beth spins a fair spinner numbered 1 - 8 and flips a fair coin. What is the probability of obtaining a factor of 3 and a head?

Expand and simlify: a) - 2{3a-4{a - (2+a) ]} b) 5{3c-[d-2 (c+d) ]}

The ordered pairs (1,8) (2,16) (3,24) (4,32) and (5,30) represent a function. What is a rule that represents this function

Which expressions have the same solution as - 4 (6) ? Check all that apply. A.-4 ( - 6) B. 4 ( - 6) C. 6 ( - 4) D.-8 (2) E. 12 ( - 2)

Verify sinx-siny/cosx-cosy=-cot ((x+y) / 2)

3 (4x+2) - 4x-2= -4/,/,-4 -4

4x+3y=12 find the x and y intercepts

When this car moves forward by 180 cm, each wheel does one full turn. What is the diameter of the wheels to the nearest centimetre?

The intersection of roads M and N creates a 41.4 angle. What are the complementary and supplementary angles of this intersection A. The complementary angle is 48.6 and the supplementary angle is 138.6 B. The complementary angle is 79.