X+2y=8 and x - y = 3 sublimation

A 99% confidence interval for the mean / muμ of a population is computed from a random sample and found to be 6 ± 3. We may conclude that Group of answer choices there is a 99% probability that / mu μ is between 3 and 9.

Two complementary angles have measures in the ration 1:2. what is the measure of the smaller angle?

What is 6m + 10m + 7m

Raj builds a side table in shape of a cube. Each edge of the cube measure 20 in. Raj wants to cover the top and four sides of the table with ceramic tiles. Each tile has an edge length of 5 in. How many tiles will he need

A bag of coins contain 2 quarters, 3 dimes and 4 pennies probability drawing a dime and then quarter without replacements

In a popular casino game, you can bet one whether a ball will fall in an arc on a wheel colored red, black, or green.

The ends of the base of an isoceles triangle are (2a, 0) and (0, a). the equation of one ide is x=2a. find the eqns of the base, the remaining sides and the coordinates of the vertex.

The scale factor of the blueprint of a garage door to the actual garage door is 0.05. the are of the actual garage door is 220 ft^2. What is the area of the garage door on the blueprint? A. 0.55ft^2 B. 5.5ft^2 C. 11ft^2 D. 55ft^2

Which of the following represents side lengths that form a Pythagorean triple? A. 7, 8, 9 B. 1, 2, 3 C. 4, 5, 6 D. 3, 4, 5

Gwent pour 256 milliliters of water in to Ravi Henry pours 189 milliters of water in to Ravis. Ravis now contains 800 Milliters of water hiw nuch water was in Ravis to begin with?.