Se tiene dos clases de billetes. Cinco billetes de la primera clase y 20 billetes de la segunda clase suman 300 euros. Cuatro billetes de la primera clase y cuatro de la segunda suman 120 euros . ¿Qué valor tienen los billetes?

Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent. the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244

Solve for x in the equation x2 - 12x + 36 = 90. x= 6+3x/10 x=6+2/7 x= 12+3/22 x = 12+3/10

Which is an x-intercept of the graphed function? (0, 4) (–1, 0) (4, 0) (0, –1)