Which expression is equivalent to r-9/r-3

If m∠A = m∠B and m∠A + m∠C = ∠D, then m∠B + m∠C = ∠D. Which property is shown? A) reflexive property B) substitution property C) symmetric property

Is 720 cm equal to 7.2 m

The equation 3x + 2y = 0 represents a proportional relationship. What is the constant rate of proportionality?

Cuanto es dos más dos

Type the correct answer in each box. Spell all words correctly, and use numerals instead of words for numbers. If necessary, use / for the fraction bar (s). The solution set for all real numbers x such that 2x + 3 < 19 and 2x - 3 ≤ - 7 is (, ].

What number correctly completes the statement using the associative property of multiplication? (-5.2 • 8) • 3 = - 5.2 • (• 3)

Negative 3 xy minus 4 xy

Three months ago Santos could walk 2 miles in 40 minutes today he can walk 2 miles in 25 minutes what is the percent of change

What is the product of 9x199 using subtraction

A recipe called for 2/9 cup of chopped tomatoes and 4/7 cup of diced tomatoes. In total how many cups of tomatoes did the recipe call for?