What is the answer to 42r + 7rs

Linda drove 715 miles in 13 hours. At the same rate, how long would it take her to drive 495 miles?

I am the fewest number of armadillos that meet the following conditions when grouped by twos by threes or by fours there is one left over when grouped by five there is none left over

Find the measures of the indicated angles in circle O. Which statement is NOT true? (The figure is not drawn to scale.) A. a = 53 B. b = 106 C. c = 73 D. d = 37

4. Solve the system by substitution. y=-x2+2x+10 y=x+4

What is the derivative of Sec^2 (3x)

Which expression is equivalent to - 9x^-1y^-9/-15x^5y^-3? Assume x is not equal to 0, y is not equal to 0 a. 3/5x^5y^3 b. 3/5x^6v^6 c. 5/3x^5y^3 d. 5/3x^6y^6

What two whole number integers would the square root fall in between? √ (44) 4 and 5 6 and 7 5 and 6 8 and 9

In a pair of similar polygons, corresponding angles are congruent.

Y=5x+3 which orderd pair works for the rule A. (4,23) B. (3,14) C. (5,3)

A random sample of 12 graduates of a certain secretarial school typed an average of 79.3 words per minute with a standard deviation of 7.8 words per minute.