PLS SOLVE 10th grade You can invite 10 friends at most to the movie

Four less than a number is the same as half of 20

A number split in five pieces

Abag contains 3 blue and 2 green marbles. what is the probability of drawing a blue marble followed by a green marble, without replacing the first marble?

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

Antonia and carla have an equivalant percentage of green marbles in their bags of marbles. antonia has 4 green marbles and 16 total matbles. if carla has 10 green marbles , how many total marbles does carla have