How many four-digit personal identification numbers (PIN) are possible if the PIN cannot begin with a 0 and the PIN must be an odd number? a. 5,000 b. 4,500 c. 3,600 d. 500

The scale on a map of the United States is 1 cm = 40 mi if the distance between Albany by and Chicago il on the map u. s. 21 cm what is the actuall distance between the cities a: 840miles b:804miles c:800miles d:840cm

3 (7x - 8x) + 6 = 5 (-2 - 7x) + 4

Casey wants to buy a gym membership. One gym has a $150 joining fee and cost $35 per month. Another Jim has no joining fee and cost $60 per month. when would Casey pay the same amount to be a member of either gym? How much would he pay?

A rescue shelter has a total of 30 occupants. The number of legs at the shelter totals 96 legs. There are spiders and frogs at this shelter. How many spiders and how many frogs are at the shelter?

1. Give one number that makes the inequality x + 7 > 20 true 2. Give one number that makes the inequality 3x < 25 true 3. What is the minimum number of 60 passenger buses needed to transport 200 students? 4.

If u is a unit vector, find u · v and u · w. (assume v and w are also unit vectors.) equilateral triangle

Cate and Elena were playing a card game. The stack of cards in the middle had 24 cards in it to begin with. Cate added 8 cards to the stack. Elena then took 12 from the stack. Finally, Cate took 9 cards from the stack.

What is the next term in this sequence? 103, 78, 53, 28, ... 3 4 13 14

A manufacturing machine has a 7% defect rate. if 5 items are chosen at random, what is the probability that at least one will have a defect? mhf

F (x) = 2x - 2 Find f (3)