Counting numbers are to be formed using only the digits 9, 3, 5, 8, 7, 6, 4, and 1. Determine the number of different possibilities for two-digit numbers.

Lacy runs 5 1/4 km on Thursday. She runs 1 1/2 times as far on Saturday. How far does Lacy run on Saturday? Express your answer as a mixed number in the simplest form. Enter your answer in the box.

Raj tried to solve the system below. 9x-y=15 2x+8y=28 Raj's Work 9x - y = 15 2x + 8y (15 + 9x) = 28 9 (-46/37) - y = 15 -y = 15 - 9x 2x + 120 + 72x = 28 - 414/37 - y = 15 y = - 15 + 9x 74x + 120 = 28 y = 969/37 74x = - 92 x =

A tree casts a shadow that is 150 feet long. If the angle of elevation from the tip of the shadow to the top of the tree is 30°, how tall is the tree to the nearest foot?

Cuantas decenas hay 47

What conversions require multiplication

A bag contains 4 blue and 3 yellow marbles. The marbles are removed from the bag one at a time without replacement. what is the probability that the fifth marble is yellow?

if light travels at around 3*10^8 meters/second. how far does light travel in one minute in scientific notation

Solve this 6r+7=13+7r

Rectangle with length 12.3 centimeters and width of 5 centimeters

What is the of the polynomial? (5X^3+4x^2) - (6x^2-2X-9)