For every 19 litres of petrol a car can run for 50 km. How much petrol do you need (to 1 DP) to ensure the car has enough petrol of a trip that is
130 km?

Me find the missing dimension of a triangle height: 7 in., area: 21^2

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.

Choose the right classification of 5x + 3x^4 - 7x^3 + 10 by number terms and he degree 1. third degree polynomial 2. fourth degree polynomial 3. sixth degree polynomial 4. first degree binomial