Suma dintre dublul unui numar, triplul aceluiasi numar, jumatatea acelui numar si treimea acestui este egala cu 70, atunci numarul este egal cu

In parallelogram abcd the ratio of ab to bcis 5: 3. if the perimeter of abcd is 32 find ab

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

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?