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Exercise:

1. The cost of an apple has decreased from $0.50 to $0.40. Work out the decrease cost of an

apple as a percentage.

A truck traveled a distance of 280 kilometers in 4 hrs. a) find the speed of the truck b) what is the truck's speed in kilometers

What is the x-intercept and y-intercept of the line 3x-6y=18

Factor completely 3x^2 - 11x + 8. A. (x + 4) (3x - 2) B. (x - 2) (3x - 4) C. (x + 1) (3x - 8) D. (x - 1) (3x - 8)

What would be the least common denominator for the sum of 3/5+4/10

Using a right triangle, Rafael is trying to find the height of a building. Rafael has represented the building in the figure as length SV. What is the height of the building? answer choices A) 2 squareroot 2 B) 6.5 squareroot 2 C) 7.

What is the vertex of this quadratic function? h (x) = - 5 (x + 7) 2 + 11 A. (7,11) B. (7,-11) C. (-7,-11) D. (-7,11)

What is the unit rate of 14lb for $2.99

What is the value of x/4y, when x = 16 and y = 2? a. 1/32 b. 2 c. 2/2 3 d. 4

Diana has a diamond necklace shaped like a parallelogram. The area of the diamond is 3.6 cm2 and the base is 3 mm. What is the height of the necklace

If r = 300+y and b = 2*r, what is y