Write the number in standard notation. 6.43 * 10^-4

a. 0.0000643

b. - 257.2

c. 0.000643

d. 0.00643

2=2 (lw+lh+wh) solve for w

Which of the following is a solution of x^2+8x = - 32

What is the average rate of change of the function f (x) = x2 + 4 for 1 Sx <5?

Which of the following is the graph of Y -

Rolf Company pays its employees on a graduated commission scale: 1% on the first $25,000 sales, 3% on sales from $25,001 to $95,000, and 5% on sales greater than $95,000.

Let f (x) = 2x - 1 and g (x) = x2 + 5. Find (fog) 0).

2qt/min=how many gal/s

How many headbands can the students make if one headband takes 7 beads, 9 inches of ribbon, and 3 buttons ... and the total amount of material you have is 6,437 beads, 3,636 buttons, and 3,870 inches of ribbon?

An object has a mass of 18 grams and its volume is 2 cm3 calculate density

In the diagram, a building casts a 20-ft shadow and a flagpole casts a 7-ft shadow. If the flagpole is 12 ft tall, how high is the building? Round to the nearest tenth ...