A mason wants to start building a stone pyramid the base of which has 551 blocks and the top 26th layer has only 1. If the number of blocks on each layer follow an arithmetic sequence, how many blocks should he get?

Find the smallest integer that satisfies the inequalities a. 4x - 15 > x + 8 b. 2x + 13 >7x

Witch is bigger 30% or 1/3

Select the correct answer from each drop-down menu. At noon, Manny's Café had 12 banana muffins, 10 chocolate muffins, 6 blueberry muffins, and 7 vanilla muffins.

Einsteinium-253 is an element that loses about 2/3 of its mass every month. A sample of einsteinium-253 has 450 grams. Write a function that gives the samples mass in grams, s (t), t months from today.

Bruce has 97 sports cards. 34 of them are football cards. Which equation can be used to find the number of sports cards y that are not football cards

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