A cafeteria charges $1.70 for breakfast and $2.60 for lunch. On a monday, a combined 1,300 breakfast and lunches were sold for $3,087.50 create a system of eqations for ___b+___L =1,300
options for breakfast are 1, 1.7, 2.6 and the same options for lunch

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)