Definition of congruence: if

Which function has real zeros at x = 3 and x = 7? f (x) = x2 4x - 21 f (x) = x2 - 4x - 21 f (x) = x2 - 10x 21 f (x) = x2 - 10x - 21

21t=-7 is the answer t=-1/3

Nathalia has $20 to spend at Staples. She plans to buy a notebook for $3.50 and some pens for $1.50 each. Select the algebraic inequality that represents this situation.

The measure of angle ø is 3pi/2. the measure of its reference angle is pi / ?, and tan ø is?

Evaluate the expression if a = 2. 5a4 A. 30 B. 40 C. 60 D. 80

Write an equation in slope-intercept form of the line that passes through (6, - 2) and (12,1)

How are models and number line alike

sheila went to court 12 times a month for the first year. for the next 10 years she went to court twice a month. for the last year she went to court three times a month. how many times didnshe go to court in all in the twelve years

A second number is 5 less than a first number. a third number is three times the first number. if the sum of the three numbers is 555, find the numbers. (a) 110 / 105 / 330 (b) 105 / 100 / 315 (c) 125 / 120 / 375 (d) 112 / 107 / 336

the combined enrollment in the three grades at Jefferson Middle School is 977. there are 356 students in the 7th grade 365 in the 8th grade write and solve an equation to find how many students are in the ninth grade find an equation and a solution