How do I find surface area of a triangular pyramid

Suppose you start at the origin, move along the x-axis a distance of 9 units in the positive direction, and then move downward along the z-axis a distance of 8 units. What are the coordinates of your position?

If a lawaway plan required a 20% deposit, how much would the deposit be for a $58.90 dress?

Find a value for m and n to make a true statement. a) mx^2 - 36 = (3x + 6) (3x - 6) b) (mx + ny) ^2 = 4x^2 + 12xy + 9y^2

5+d>5-d 1. d>10 2. d>0 3. d<-5 4. d>-10

What is 3n+2 (-2n-1)

UT bisects WV. WV = ? A. SV B. 2 (SV) C. UT D. none of the above

Evaluate 2/3 - 1/6. a. 1/6 b. 1/2 c. 5/6 d. 1

15%of $30 as a decimal

The ordered pairs model an exponential function, where j is the function name and e is the input variable. { (1, 10), (2, 50), (3, 250), (4, 1250) } What is the function equation in sequence notation?

Simply and reduce to lowest terms a + [a + b - a - (2a - b) ]