Given the specific heat capacity of steel is 420 J kg-1 °C 1, calculate the temperature change when 250 g of steel loses 1450 J of heat. Give your answer to 1 d. p. and include either a +ve or -ve sign in front to
indicate the direction of temperature change

Which sentence describes why polygon mnop is congruent to polygon jklp? a. polygon jklp maps to polygon mnop through a translation. b. polygon jklp maps to polygon mnop through a rotation. c. polygon jklp maps to polygon mnop through a dilation. d. polygon jklp maps to polygon mnop through a stretch.

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

Can someone me out here number 4 plz