Sunita creates a scale model of an aeroplane. The scale of the model is 5 cm to 7 m.
Sunita's model has a wingspan of 46 cm.
What is the wingspan of the real aeroplane?

Use the discriminant to describe the roots of each equation. then select the best description. 2m2 + 3 = m double root real and rational roots real and irrational roots non-real roots

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.