exam Maths Puzzle Numerical Ability

Solve the system by substitution.
x + 2y = –17
–2x + 3y = –15
Solve the system by addition.
–2x + 5y = –19
x – 3y = 10

Read Solution (Total 0)

exam Other Question
thirty percent of the sulfur desiccated. If 42 tons did not desiccate, how much sulfur was there in all? Ann and becky spend $70.00 on dinner. if they want to leave a 15 % ttip,find the amount of tip they should leave.