What's the definition of conjecture

The ratio of trumpet players to tuba players at a high school is 5:2 Which statement is true? A. 2/5 of the total tuba and trumpet players are tuba players. B. The number of trumpet players is 2.5 times the number of tuba players. C.

Derek buys 2 burgers and 2 orders of fried for $5, Caeser buys 3 burgers and 4 order of fries for 8.50

Which number is smaller, - 5 or - 17

Which pair of lines are perpendicular to one another? -3x+2y=10 and 3y=-2x+12 7x+4y=20 and y-3=-4/7 x=4y+4 and 4x+4y=4 2x+5y=45 and y+2/5x=-9

Find the Two Values that x can have if X^2 - 10=26

12,000 is compounded semantically at a rate of 9% for 20 years. Find the total amount in the compound interest account

Evaluate the expressions with grouping symbols: 7 (13 - 8)

If 153=2 (z+z) n153=2 (z+z) n153, equals, 2, left parenthesis, z, plus, z, right parenthesis, n, then what is the value of 2n (2z) - 1932n (2z) - 1932, n, left parenthesis, 2, z, right parenthesis, minus, 193?

Put the following list of numbers in order from smallest to largest. 1. first E. 29.94 2. second D. 28.15 3. third C. 27.068 4. fourth B. 28.08 5. fifth A. 28.3

A carpenter cut a board 334 feet long to make a shelf. Before he cut the board, it was 1012 feet long. How long is the remaining piece of the board? Enter your answer, as a mixed number in simplest form,