In a newspaper, it was reported that yearly robberies in Springfield were down 15% to 136 in 2014 from 2013. How many robberies were there in Springfield in 2013?

If a and b are the measures of two first quadrant angles and sin a = 4/9 and sin b = 2/5 find sin(a+b).

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

Tomas is making trail mix using granola and walnuts. he can spend a total of $12 on the ingredients. he buys 3 pounds of granola that costs $2.00 per pound. the walnuts cost $6 per pound. he uses the equation to represent the total cost, where x represents the number of pounds of granola and y represents the number of pounds of walnuts. he solves the equation for y, the number of pounds of walnuts he can buy. answer- b tomas added 6 to both sides of the equation instead of subtracting 6. just took the test