principal hernandaz bought 640 t-shirt for the students in his school. the tshirts came in packs of 20 how many packs did he buy

How many grams the dog will eat in 3 days?

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a

The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?