Which phrase describes an unknown or changeable quantity/

A. 15 years of schooling

B. 3 dollars and 76 cents

C. 2 times the number of pages in the books

D. 60 seconds multiplied by 5

Define a bijection between 5-subsets of the set S = {1, 2, 3, 4, 5, 6, 7, 8} and 8-bit strings with exactly five 1's. A subset X of S with five elements maps on to a string x so that j ∈ X if and only if the jth bit of x is 1.

If you graph y=3x-2 and 6x-2y=4 on the same set of axes, why will you see only one line? how many solutions will this system of equations have

All 40 of the students in a math class on Monday. on Tuesday only 35 students attended. What was the percent of decrease? Round to two decimal places. A) 85.7 B) 14.3 C) 12.5 D) 87.5

Por favor responder a esta pregunta Sin gráficas, determinar si A (5,1) B (1,0) C (3,3) se encuentran en la misma línea. Explique su razonamiento.

What type of graph does not show the mean?

Three increase by a number all multiplied by 6 equals 36

Rewrite y = x2 + x - 20 in factorized form.

40 is what percent of 50

Explain the meaning of significant digits in measurement

A stock trading company charges a commission of $10 per trade plus $0.025 per dollar value of stock traded. If your commission is $140, what was the value of the stock you traded?