Solve; x=b-cd, for c

Megan has 23 marbles, and Jack has 22. About how many marbles do they have altogether. a. about 30 marbles b. about 70 marbles c. about 40 marbles d. about 60 marbles

A spaceship traveled 81 billion miles. In scientific notation that is how you miles?

there are 100 movies at the store 30/100 are action movies 50/100 are comedies and 20/100 are adventure movies what part of the movies are action or comdies

A student must take one physics, one chemistry, and one mathematics course during their junior year of high school.

What is equivalent to 5 (y+2) ?

Madesimo is a famous resort in Italy. All of its rooms are always booked in the winter season and there are, on average, 180 skiers coming to the resort every day. On average, skiers stay in Madesimo for 12 days.

A farmer wishes to test the effects of a new fertilizer on her soybean yield. She has four equal-sized plots of land. One plot has sandy soil, one has rocky soil, one has clay-rich sol, and one has average soil.

The dog 24 inches is the total length. Is 4 times longer than a bird. How many inches long is the bird?

Solve the inequality 6t > t + 6.

What is the answer for -4x+4y=12 3x-4y=-18