You use substitution to solve a system of equations and,

aher simplifying, end with a statement that says 7=7,

Describe what this statement means about the number of

solutions and about the graph of the system.

In Chemistry class, Andrew has earned scores of 64, 69, and 73 on three tests. He must maintain an average of 70 to pass the course. What score must Andrew earn on the final exam to pass the course?

Demarco starts with 10 milligrams of a radioactive substance. The amount of the substance decreases by 40% each week for a number of weeks, w. The expression 10 (1 - 0.4) w finds the amount of radioactive substance remaining after w weeks.

Which events are mutually exclusive? A) Jon eats 4 apples; Jon eats 1 apple. B) Jon eats 2 apples; Jon eats 4 apples C) Jon eats 2 apples; Jon eats more than 2 apples D) Jon eats more than 1 apple; Jon eats 3 apples

U-94 -- - = - 2 -2 What is the answer to this question?

Twelve teachers shared 42 donuts equally. How many donuts does each teacher get to eat

Which statement describes a measurable financial goal A. Open a 401 (k) b. Save for college using a 529 savings plan C transfer $50 per month into a savings account D use form 1040 to file income taxes

jon's car can travel an average of 35 miles per gallon. How many gallons will he need for a trip of 656 miles?

Use the information provided to write the vertex form equation of each parabola. y = x^2 - 4x + 5

Jonathan had 28 papers in his desk his teacher gave him n more papers write an expression that represent the number of papers Jonathan has now

Suppose y varies with x, and y=14 when x=-4. what is the value of y when x=-6