Let a be an irrational number. Is 1/a rational or irrational

I am an odd number I am less than 100 The sum of my digits are 12 I am a multiple of 15 What number am I?

What expression is equivalent to (5z2+32+2) ?

575 miles 15 gallons $2.16 per gallon

What is the range of the function y=3^x x>0 R y<0 y>0

5 boys and 6 girls attend a birthday party and play pin the tail on the donkey. If a girl wins first and second place and a boy wins third place, How many different arrangements of first, second, and third are there? =

Which equation can be solved by using this system of equations? {y=3x^5-5x^3+2x^2-10x+4 {y=4x^4+6x^3-11 The answer choices are: A.) 3x^5-5x^3+2x^2-10x+4=0 B.) 3x^5-5x^3+2x^2-10x+4=4x^4+6x^3-11 C.) 3x^5+4x^4+x^3+2x^2-10x-7=0 D.) 4x^4+6x^3-11=0

After tossing the same coin 10 times, you are surprised to find that tails has come up 8 times. You therefore conclude that this coin is not fair and that the probability of getting tails with this coin is 0.80.

One polygon has a side of length 2 feet. A similar polygon has a corresponding side of length 4 feet. The ratio of the perimeter of the smaller polygon to the larger is 2/1 or 1/2 or 1/4

Maxine spent 15 hours doing homework last week. this week she spent 18 hours doing homework. she says she spent 120% more time doing homework this week. is she correct? show your work to justify your decision.

Answer key to why did the snake stick his head in the rabbits mouth worksheet