How to factor 985xy +350x^2 +660y^2 by grouping?

Which statement is always true? a negative exponent cannot be part of an expression's numerator. a negative base raised to the power of 2 has a negative value. a negative base raised to the power of 2 has a positive value. any number to the first power is zero.

In which figure is de bc ? a. figure 1 b. figure 2 c. figure 3 d. figure 4

Find the perimeter of the figure shown above. a. 50 cm c. 30 cm b. 64 cm d. 60 cm select the best answer from the choices provided a b c d