Solve the system using substitution 5y-x=-5 7y-x=-23

Walt grew 10 cm in one year. He is now 1.6 m tall. How tall was he 1 year ago?

Air contains nitrogen, oxygen, hydrogen, and carbon dioxide as important constituents. Which is the limiting reagent in the combustion reaction of propane in air? A) Nitrogen B) Oxygen C) Propane D) Carbon dioxide

What is the determinant of K= Goo -18 -8 10 18

What is 7x²-4+6x³-4x-7 in standard form

A jar contains 14 nickels, 14 dimes, 14 quarters, and 14 pennies. A coin is chosen at random from the jar. What is the probability that the coin chosen is a nickel? A. 1/56 B. 1/14 C. 1/4 D. 1/2

A scientist is investigating the effects of cold on human skin. In one of the scientist? s experiments, the temperature starts at 70? F and drops by 1/10? every 2 minutes. What is the temperature after 6 minutes?

Derivative of g (x) = (2ra^ (rx) + n) ^p?

She can keep the fire burning for 4 hours with 6 logs how many logs would she have with 18 hours

if the area of a triangle is 4.5 and the it's mutiblied by the scale factor of 7 what is the area of the bigger triangle

Is - 11 greater than - 5