Is 3/63 equal to 7/147

There are two coins, one is fair and one is biased. The biased coin has a probability of landing on heads equal to 4/5. One of the coins is chosen at random (50-50), and is flipped repeatedly until it lands on tail.

Is 5 a soluation to the equation? 3x (+1) = 7 (*-2) - 3

One soccer team defeated another by 4 goals. The total number of goals scored bu both teams was 8. How many goals, g, did the losing team score? How many goals did the winning team score?

Can we prove LMN is congruent to XYZ? if so, witch postulate can we use to do so? if not, explain why.

Simplify the ratio 40:16:80 - - : - - : - -

What is 4.2X-1.4Y=2.1-2X

Factor x2 - 8x + 15. Which pair of numbers has a product of ac and a sum of b?

Imagine a model shaded to show 0.001. How much would be shaed?

during second period, mia completed a grammar worksheet. of the 60 questions, mia got 80% right. how many questions did mia get right

If one store is selling three fourths of the Bushell of apples for nine dollars and another store is selling two thirds of a Bushell for apples up for nine dollars which store has the better deal