Marie sells magazine subscriptions. She earns $15 a week plus $3 for each subscription she sells. How many subscriptions must she sell to earn $90 in one week? A 30 subscriptions b 40 subscriptions c 25 d 100

Provide a recursive definition of the function f (n) = (n+1) !.

The sum of two integers is 23 and the positive difference of the same two integers is 13. What is the product of these two integers? A) 90 B) 75 C) 46 D) 299

An example that disproves a conjecture. a Converse b Counterexample c Inverse d Contrapositive

What adds to - 8 and multiplies to - 20

Which value is farther to the right on a number line 2.5^2 and √81

Work out the circumference of the circle with radius 2.5 cm

Lee buys 5 DVD's for $60. At this rate, how much woukd he bay for 3 DVDs? A:$10. B $30 C:36. D:$58

Show that - 1.808 is a rational number.

Explain in words how to change a fraction to a percent

There are 3 strawberry ice creams, 4 chocolate ice creams, and 7 vanilla ice creams on a tray. barbara selects 2 ice creams at random without replacement. what is the probability that she selects 2 chocolate ice creams?