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If the third term in an arithmetic sequence is 7 and the common difference is - 5 what is the value of the fourth term? A. 12 B. 2 C.-35 D. 35

The amount, A, in milligrams, of radioactive material remaining in a container can be modeled by the exponential function A (t) = 5 (0.5) 0.25t, where t is time, in years.

What is the multiplicative inverse of 2 1/2? A) 2/3 B) 2/5 C) 2

Tracy is saving to buy a new guitar that costs $253.77 (including tax). Tracy has saved $136.27, and she can save $23.50 each week. Which equation could you use to find how long it will take to save for the guitar? A) $23.50w = $253.77 B) $253.

Two cards are randomly chosen from a standard deck of 52 playing cards without replacement. What is the probability both cards will be hearts?

Solve for y. Y_Y+3 ž = 8

A rule for creating a pattern is given below. The rule begins with a number called the input and creates a number called the output. Rule: Multiply the input by 666 to get the output.

Let (2x-12) degrees represent the measure of an acute angle. What are the possible values of x?

What is the measure of the angle whose supplement is four times it's compliment?

We were assigned this worksheet today and I don't really understand it.