Tell whether each expression is a numerical expression or a variable expression. for a variable expression name the variable. 25-9+x

A single fair die is rolled. Let events A={2,4}, and B={1,2,5}. Event A is independent with event B. True or False?

What term refers to the study of the biological systems and mechanisms?

A class has 6 girls and five boys. If the teacher randomly picks for students, what is the probability that she will pick exactly two boys?

What is the range of the function represented by these ordered pairs (-2, 1) (0,0) (3,1) (-1,7) (5,7) ?

A circle has a radius of 15 inches. What is the area, in square inches, of this circle? (The area of a circle with a radius of r is equal to π r 2.)

Last years average ticket price was £22 this year the average ticket price has increased by 5% what is the average price now

One of the altitudes of the parallelogram shown is 1223 units. What is the length of the other altitude? 5 units 6 units 30 units V40 units

Stacey's fruit salad recipe uses proportional amounts of different fruits. There are 2 cups of grapes for every 5 cups of pineapple. There are 4 cups of pineapple for every 5 cups of apples.

Passes through (-4, - 5), slope = 3/4

True or false a reflection across the line y=-x