expand the expression on the left and combine like terms.
10x + 60(10 - x) = 250
x= boxes of
dog food
y = boxes of
guitars, amp,
and speakers
x +
= 250
done
5 stenduations
x+ y = 10
10x + 60y = 250

How many terms does the polynomial x^2 y^2 have

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?

21 a stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. how long are the two pieces?