Please answer ASAP
Mari used a thermometer to record temperatures of −3.4° Celsius and 1.6° Celsius. Which temperature in degrees Celsius is less than both of the temperatures Mari recorded? A) −2.6 °C Eliminate B) 3.9 °C C) −5.4 °C D) 0 °C

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

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2