What is the sign of -1.69 + \left(-1.69\right)−1.69+(−1.69)

What is the length of the missing leg in this right triangle? 18 mm 24 mm 26 mm 32 mm

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

Lucy and donavan measured the length of the school garden. lucys measurement is 11.3m and donavans measurement is 113 cm. could both be correct? explain