What is the coefficient of z in the expression

4x+8y+12z

a) 2

b) 4

c) 8

d) 12

Calculate the area of a 3-inch by 5-inch photo. What would be the area if it is enlarged by a scale factor of 2? What would be the area if reduced by a scale factor of 1/2?

Make a conjecture about the next item in the sequence. 6, 9, 7, 10, 8 Question 6 options: A. 9 B. 11 C. 6 D. 10

Three frog jumped a total of 115 centimeters how far could each frog have jump

Problem solving choose the correct answer that follows each sequence 3 4 6 9 13 18 24 .29 .31 .32 .33

Can 5/8 be estimated to 1/2

You board a Ferris wheel at ground level and travel to the very top, when it stops to allow more riders to get on. How many degrees has the Ferris wheel rotated?

A right triangle with congruent legs is always a 45-45-90 triangle? True or False?

What is the difference between a square and a rectangle? A) A square is a parallelogram and a rectangle is not. B) A square has 4 equal sides and a rectangle does not. C) A square has 4 right angles and a rectangle does not have to.

The value of y varies directly with x, and y = - 8 when x = 2. Find y when x = 3

L=3x+6 W=3x^2 what's the perimeter