ああ、気にしないでください。またね！^^

Aschool principal ordered 1,000 pencils. he gave an equal number to each of 7 teachers untill had given out as many as possibe. how many pencils were left?

Combine like terms. do not forget to use the distributive property to simplify the first term. 2(3y + 5k) - 2k

Dry land planting can benefit the environment by reducing the need for tillagate