Math quiz

Simplify the following equation:(4x-3y+8xy)(4x+4xy-9x).

Juana walked in the morning x meters and in the afternoon she walked 200 meters the total of she had walked is 700 what is the correct equation

Plus the folowing polynomials:(9x-7xy+9y)+(4x-8x+7y+yx)

Pass the decimal 0.5 to a fraction

Multiply the following expresion:(5x)(5y+7xy+8x)

Pass the fraction one half to a decimal.

Pedro went to the candy shop and he bought 10 lolipop, one lolipop cost 5 dolars.How many he paid?

Godofredo bought a house that cost 1500 dolars,he had had 2000 dolars.How money he have now?

In the shop they have a promotion that is if you bought a product over 100 yo give the double of these money.How many money they give me if I bought a product of 105?

Peppa had three pizzas one pizza had 8 piezes,I give the half of these three pizzas.How many piezes I have now?

Cristopher Froome in a etape he ridden 199 km and in the next etape he ridden 188 km.How many km he ridden?

Substract the following polynomials:(3x+9y-8xy)-(7y+6xy-9x)

A square had the side of 4+2x+8y.How is the perimeter of the square

I had 20 dolars and a box of pencils cost 15 dolar.How money I have now?

My dog had 10 last and this year,how many years it has?